Describing the nature of the attribute under investigation including how it was measured and its units of measurement. Did you find this page useful? /A << /S /GoTo /D (ddescribeMenu) >> By default, the tool outputs a table layer containing summaries of your field values and an overview of your geometry and time settings for the input layer. Descriptive statistics is essentially describing the data through methods such as graphical representations, measures of central tendency and measures of variability. Now let us assume we want to know which country has greater unemployment. An instance of a variable to be passed to the containerAction execution. Configuration information for delivery of dataset contents to Amazon S3. For more information, see Data Method Selector. % --generate-cli-skeleton (string) If provided with the value output, it validates the command inputs and returns a sample output JSON for that command. /BS<> /Type /Annot Dataset timestamps are Python timedate in UTC (converted from original to Python type). How you generated your graphs is not important for these users, only the visuals and the insights they display are. . Optional. Is Clostridium difficile Gram-positive or negative? How to describe a dataset. /Type /Annot Graduated from ENSAT (national agronomic school of Toulouse) in plant sciences in 2018, I pursued a CIFRE doctorate under contract with SunAgri and INRAE in Avignon between 2019 and 2022. endobj To describe and analyse the data, we would need to know the nature of data as it the type of data influences the type of statistical analysis that can be performed on it. If it is for a C-level executive, its generally best to present the business highlights rather than pages of tables and figures. The information needed to configure a delta time session window. Be sure to also make your analysis reproducible for your fellow creators throughout the company its always a good idea to follow coding best practices when developing a data science project or publishing research, including using the correct directory structure, syntax, explanatory text (or comments in the code cells), versioning, and, most importantly, making sure all relevant files and datasets are attached to the post. The CA certificate bundle to use when verifying SSL certificates. Descriptive statistics consists of two basic categories of measures: measures of central tendency and measures of variability (or spread). The ARN of the Docker container stored in your account. Pandas describe() is used to view some basic statistical details like percentile, mean, std etc. Configuration information for coordination with Glue, a fully managed extract, transform and load (ETL) service. Data preparation - you should do this step practically in Azure and show your findings in the report & presentation: describe all the steps which you've undertook to prepare your dataset for the selected analysis (example: data standardization and normalization, filtering outliers, data imputation (dealing with missing values), data recoding . I am currently continuing at SunAgri as an R&D engineer. Operations that come after a projection can only refer to projected columns. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. List of data types to be included while describing dataframe. By default, FormatVersion is VERSION_1 . Describe original data rather than new methods. This neednt be long, but it should be clear. Verify that you correctly registered time and geometry with your big data file share. /Subtype /Link For more information, see. endobj This option overrides the default behavior of verifying SSL certificates. if not portal.geoanalytics.is_supported(): The amount of SPICE capacity used by this dataset. Python Pandas Dataframe Describe Method Geeksforgeeks, Often a data set or collection contains a large number of f, Which of the following is an example of a value. It is always best to keep your report as clear and concise as possible. The ARN of the role that grants IoT Analytics permission to deliver dataset contents to an IoT Events input. An example of data is information collected for a research paper. /D [13 0 R /XYZ 23.041 435.045 null] Right-click the Datasets node, and then click Add Dataset. Give us feedback. new Map Viewer. Depending on the values in the dataset, a histogram can take on many different shapes. This number describes how widely the group differs around the average. Have a call to action perhaps a recommendation for extending the analysis. While a monthly range would contain more details but might be cumbersome to analyse. A note on the conclusion dont just taper off at the end of the article or finish with the final point in the main body. This option overrides the default behavior of verifying SSL certificates. A tag for a column in a `` TagColumnOperation `` structure. So instead we could take percentage of unemployed people which would give us the proportion of people unemployed in a country which will be more meaningful while comparing unemployment with other countries. You can choose to output one, both, or none. What do the C cells of the thyroid secrete? And there we have it! /Contents 14 0 R A data set is different from a data warehouse, data lake, and data mill because it focuses on a much narrower topic. A dataset (also spelled data set) is a collection of raw statistics and information generated by a research study. Thats roughly one every two and a half minutes! Note: The options that display in the drop-down menu depend upon what you specify for the Data Source property. Some time the collected dataset is tidy and mostly it is not. The value of the variable as a structure that specifies a dataset content version. The key of the dataset contents object in an S3 bucket. Sources of a dataset is not limited, it can be obtained from numerous sources. The variability of the set of measurements: the spread of the data. Fouls and red cards are also very close between both teams. Turn on debug logging. /MediaBox [0 0 431.641 631.41] By default, the AWS CLI uses SSL when communicating with AWS services. Descriptive statistics summarizes or describes the characteristics of a data set. The Describe Dataset tool provides an overview of your big data. Check in which region the data is concentrated more or the region in which there is little to no values. To improve the performance of the report, select only the data that is needed for the report to run. # Look through the big data file share for Hurricanes Wk%}"|(.PRbp7{s=9k"BgSt7y0WO6>qE>Wp]mY~?wnlzse'Wx) `[2$W;!^6Nz~z$;pE?nM*L:{VMcDTho[V)[G
PcKnPbO
q-O4In%> For this structure to be valid, only one of the attributes can be non-null. Both of which will have the same name. The below histogram shows that Indias GDP has increased consistently in the last decade. Mode: This is the most frequent observation. Geospatial column group that denotes a hierarchy. Dont use the same title as an existing research paper. of a data frame or a series of numeric values. /Subtype /Link For example, if you specify 230 features for Number of features to include, the result can contain 230 input features in any order or location. All rights reserved. Tobacco is, PERIBAHASA Kita tidak harus bersikap bagai enau dalam beluk, Gender Roles Conversation Gender Roles Gender, 38 asuransi reliance indonesia. An ideal bin size neither hide too many details nor reveal too many details. A string that you want to use to delimit the values when you pass the values at run time. It also provides helpful information on missing NaN data. Each object has exactly one key. Overrides config/env settings. In the Properties window, set the following properties. The name of the database in your Glue Data Catalog in which the table is located. 38 fouls, 3 yellows and a red between Mazzarris Watford and Stoke. This can be the name of a timestamp field or a SQL expression that is used to derive the time the message data was generated. hurricanes = next(x for x in bdfs_search.layers if x.properties.name == "Hurricanes") There are many visualisation tools available to you. 9 0 obj The median of the lower half is called Q1 and the median of the upper half is called Q3. The value for this field can be ASCII EBCDIC or PASCII. The data is provided as is for others to reuse eg. If not specified or set to null, only the latest version plus the latest succeeded version (if they are different) are kept for the time period specified by the retentionPeriod parameter. Lets use .groupby() to create a dataset grouped by the Referee column. The data can be both quantitative and qualitative in nature. Overrides config/env settings. For example, you can use an asterisk as your match all value. In 68% of games, we expect between 1.5 and 5.5 yellow cards. /Type /Annot If absolutely necessary, attach a supporting appendix, or you can even publish a series, with each report having its own core objective. To run this tool from ArcGIS Pro, your active portal must be Enterprise 10.7 or later. endobj My thesis aimed to study dynamic agrivoltaic systems, in my case in arboriculture. This may be a brief list of variable names; A transform operation that casts a column to a different type. The ARN of the role that grants IoT Analytics permission to interact with your Amazon S3 and Glue resources. Dataset size is in bytes (original format). This structure is also sometimes referred to as a data frame. When casting a column from string to datetime type, you can supply a string in a format supported by Amazon QuickSight to denote the source data format. rq)'[ If other arguments are provided on the command line, the CLI values will override the JSON-provided values. Determine where a dataset is by calculating the geographical extent. 6 0 obj The values in this set are known as a datum. If enabled, the status is. Override command's default URL with the given URL. If enabled, the status is, The status of row-level security tags. Otherwise, missed message data would be excluded from processing during the next timeframe too, because its timestamp places it within the previous timeframe. As mentioned already, explain clearly at the beginning what youre article is going to be about and the data you are using. A physical table type for relational data sources. result = ga.summarize_data.describe_dataset(input_layer=hurricanes, sample_size=200, Writing a Data Description Report To proceed effectively with your data mining project, consider the value of producing an accurate data description report using the following metrics: Data Quantity What is the format of the data? The taller bars depict that more observations fall into that range. Understand attribute values with summarized field statistics. It summarizes the data in a meaningful way which enables us to generate insights from it. You can use timeoutInMinutes so that IoT Analytics can batch up late data notifications that have been generated since the last execution. /Subtype /Link endobj When dataset contents are created they are delivered to destinations specified here. /A << /S /GoTo /D (ddescribeQuickstart) >> . # Find the big data file share dataset you'll use for analysis The default value is 60 seconds. Declares the physical tables that are available in the underlying data sources. Disable automatic pagination. If you would like to suggest an improvement or fix for the AWS CLI, check out our contributing guide on GitHub. Right-click the Datasets node, and then click Add Dataset. Overrides config/env settings. The region to use. The number of fish eaten by each dolphin at an aquarium is a data set. STD what is the standard deviation? len() will tell us. For instance, a qualitative data which contains gender of students in a class, a . An option that controls whether a child dataset that's stored in QuickSight can use this dataset as a source. The values of variables used in the context of the execution of the containerized application (basically, parameters passed to the application). A dataset is a collection of data published or curated by a single source and available for access or download in one or more formats The instances of the dataset available for access or download in one or more formats are called distributions. Applies To: Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 Feature Pack, Microsoft Dynamics AX 2012. >> /Rect [226.668 559.107 267.989 567.019] Output a boundary feature that describes the extent of your input dataset by selecting Extent layer. This functionality is currently only supported in Map Viewer Classic (formerly known as Map Viewer). Key Takeaways. stream endobj There was a sharp decline in sales in Japan from 2007 to 2010. The output subset will always have the same schema, geometry, and time settings as the input features. Like China and India are most populous and thus the absolute number night be far greater in them. This can help us get an idea of whether there are patterns in the data. A data set, however, would describe only one of those items. DisableUseAsDirectQuerySource -> (boolean). This is used by Amazon QuickSight to optimize query performance. Identify the method used to capture the data--for example, ODBC. The ARN of the role that gives permission to the system to access required resources to run the, The type of the compute resource used to execute the, The size, in GB, of the persistent storage available to the resource instance used to execute the. Or for a data on age of people, we might want to know the frequency of various age groups for which we could classify the data into a continuous data to construct a frequency distribution as shown below. As an analyst, try analyzing the histogram and see if there are trends in it. /Subtype /Link The name of this column in the underlying data source. Quantitative data is in numeric form , which can be discrete that includes finite numerical values or continuous which also takes fractional values apart from finite values. Note If your report uses the predefined Dynamics AX data source and a query that is defined in the AOT in Microsoft Dynamics AX, you must be especially careful when updating the query in the AOT. If the value is set to 0, the socket connect will be blocking and not timeout. An objective style helps you keep the insights youve uncovered at the centre of the argument. The end user of the report cannot add additional filters. Results stored in the ArcGIS Data Store are always stored in milliseconds from epoch Coordinated Universal Time (UTC). A good outline is. Scatter plots can be very essential in getting insights that can enable us to take critical decisions. Configuration information for delivery of dataset contents to IoT Events. When this method is applied to a series of string, it returns a different output which is shown in the examples below. list Think of describe, replace as separate from but related to describe without the replace option. /Type /Annot . Median of a dataset is the middle value of the collection of data when arranged in ascending order and descending order. /A << /S /GoTo /D (ddescribeOptionstodescribedatainmemory) >> What substantive question are you trying to address. Data is defined as facts or figures, or information thats stored in or used by a computer. ["high", "high", "high", "low", null] = 4. The structure should look something like: Who is your report intended for? If youre interested in which game it was, check below. By default the tool outputs a table layer containing summaries of your field values and an overview of your geometry and time settings for the input layer. The number of days that message data is kept. W e modelled metric label and measurement values the same. This can be very helpful in performing some analysis that cannot be performed by just the frequencies, like if we compare scores of two sections, a cumulative frequency can show that 173 i.e. Do not sign requests. Lesson Standard - CCSS6SPB5b. You might want to take a look at our visualisation topics to see how we can put data into charts, or see even more Pandas methods in this section. Visualize your big data with a sample layer. here. What substantive question are you trying to address? There are two functions we can use to calculate descriptive statistics in R: Method 1: Use summary () Function summary (my_data) The summary () function calculates the following values for each variable in a data frame in R: Minimum 1st Quartile Median Mean 3rd Quartile Maximum Method 2: Use sapply () Function sapply (my_data, sd, na.rm=TRUE) The central tendency of the set of measurements: the tendency of the data to cluster, or center, about certain numerical values. processed_map = portal.map() Each variable must have a name and a value given by one of stringValue , datasetContentVersionValue , or outputFileUriValue . But if you are told that the relative frequency is 0.8 which means 80% of students hailed from Bangalore, you might get an idea that students from this city are much more inclined for data science than other cities. It is the ratio of the sum of observations to the total number of elements present in the data set. --data-set-id (string) The ID for the dataset that you want to create. The following soil depth example outlines how statistics are calculated for each field type: These example input features will be summarized and output as the calculated statistics below. To create a restricted column, you add it to one or more rules. Descriptive statistics is essentially describing the data through methods such as graphical representations measures of central tendency and measures of variability. 6) Research studies report: Presents in-depth research and insights on a specific issue or problem. If you are using a data source other than the predefined Dynamics AX data source, click the ellipsis button. Basically, the frequencies or the relative frequencies are added from left to right to give cumulative frequencies. The output will vary depending on what is provided. OVERVIEW Patient-provider communication is vital to quality patient care in oncology settings and impacts health outcomes. /Annots [ 1 0 R 2 0 R 3 0 R 4 0 R 5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R ] Do you have a suggestion to improve the documentation? By default, the AWS CLI uses SSL when communicating with AWS services. As with any other type of content, your reports should follow a specific structure, which will help the reader frame the reports contents & thus facilitate an easier read. If the value is set to 0, the socket connect will be blocking and not timeout. Configuration of the resource that executes the containerAction . << help getting started. Sometimes, frequency does not give us a clear picture of the data. endobj >> endobj In order that the next record type in a dataset be known (so that its length is known as well), the order of the records is fixed. Whenever you make updates to a query, be sure to consider how those updates may affect your reports. The Beverly Police Department shared what it termed "Breaking Shoebert news" on its Facebook page, saying the animal left Shoe Pond and made its way to the side door of the police station . u tsMbmnj.u(>QECG6,x !kP-Z#KOIYV5e'O][*vMm%mdGJRl(bW (9tQ{B1>aHVhccd */rO&"s(WM-R This is a variant type structure. /A << /S /GoTo /D (ddescribeReferences) >> You can create Power BI datasets in the following ways: Connect to an existing data model that isn't hosted in Power BI. stream Overrides config/env settings. A scatter plot can give us an idea whether there are patterns in the data; a positive trend conveys that as the x variable increases, the y variable also increases and vica versa. Total Number or N, Mean, Median, Mode and Standard Deviation are used to describe your data. << A physical table type built from the results of the custom SQL query. The Contents of the GROUP Data Set. 7 0 obj << Of our most utilised officials, Friend is the most likely to have given a booking, with 4.7 per game. #And do we have a complete set of 380 matches? 10 tips to follow every time you are writing up a data-based report. An expression that defines the calculated column. This is important for organising the teams work on whichever curation system you are using presentation is key. Did you find this page useful? If you would like to suggest an improvement or fix for the AWS CLI, check out our contributing guide on GitHub. Providing a meaningful description helps foster dataset reuse. Next steps Data hub Questions? Describe the overall organization of your data set or collection. datasetContentVersionValue -> (structure). The Describe Dataset tool is available through ArcGIS API for Python. Most datasets can be located by identifying the agency or organization that focuses on a specific research area of interest. Essentially, a database is a collection of data sets. /Type /Annot The region to use. Matplotlib is a third-party library for data visualization. At Kyso were building a central knowledge hub where data scientists can post reports so everyone and we mean absolutely everyone can learn from them and apply these insights to their respective roles across the entire organisation. If the Data Source Type property is set to AX Enum Provider, type the name of the enum or click the Query drop-down. The usage configuration to apply to child datasets that reference this dataset as a source. Whether the file has a header row, or the files each have a header row. This ID is unique per Amazon Web Services Region for each Amazon Web Services account. [X4q+ohz_6_ AY" d}0s-n-[?\4={]UU|vS]oKBZY0Z=WEXr1}]fepS0S/]dn41BE,D% F@R endobj This will give us a whole new table of statistics for each numerical column: So what do we learn? Visualize your big data with a sample layer. An SqlQueryDatasetAction object that uses an SQL query to automatically create dataset contents. endobj Creating Animated Data Visualisations in Python. At a minimum the organization and relationships. Summary statistics are calculated for each field in the input layer. As Example 1 and we focused on the use of other value and. You must sign in using an account that has privileges to perform GeoAnalytics Feature Analysis. In some cases, it can be exponential, which conveys that the y variable rapidly increases as x increases. A Medium publication sharing concepts, ideas and codes. This is a variant type structure. You can plot a few graphs by playing around with the parameters to see which one gives the best analyses. Research data is any information that has been collected, observed, generated or created to validate original research findings. This is 0 if the dataset isn't imported into SPICE. Number of days that message data is information collected for a C-level executive, its generally best to keep report! Specific issue or problem the key of the execution of the role that grants IoT permission..., 38 asuransi reliance indonesia data sets between Mazzarris Watford and Stoke Web services region for Amazon! Are added from left to right to give cumulative frequencies from numerous sources: of! Describe only one of those items schema, geometry, and technical support schema, geometry and! Updates may affect your reports example 1 and we focused on the command line the... Be passed to the application ) run this how to describe a dataset in a report from ArcGIS Pro, your active portal be... The insights youve uncovered at the centre of the variable as a data.. And thus the absolute number night be how to describe a dataset in a report greater in them area of interest plots can be EBCDIC... No values Indias GDP has increased consistently in the Properties window, set following... Performance of the sum of observations to the total number of elements present in the data set or.... You Add it to one or more rules D engineer since the last execution the geographical.... Determine where a dataset content version following Properties be located by identifying the agency or organization that focuses on specific. Use.groupby ( ) is a collection of data sets ascending order and descending order bin size neither too. Youre article is going to be passed to the total number of fish eaten by each at... If youre interested in which there is little to no values Catalog in which table. An analyst, try analyzing the histogram and see if there are in. If enabled, the status of row-level security tags by each dolphin at an aquarium is a collection of statistics. Analyzing the histogram and see if there are many visualisation tools available to you of students in meaningful. Frequencies or the files each have a name and a value given by one of stringValue datasetContentVersionValue... Through ArcGIS API for Python in it of describe, replace as separate from but related to describe your set! It returns a different output which is shown in the underlying data.... '', `` high '', `` high '', `` low '', null ] Right-click the Datasets,! That display in the ArcGIS data Store are always stored in your Glue data Catalog in game... Services account the following Properties and geometry with your big data or N, mean, std etc continuing SunAgri. Substantive question are you trying to address to the total number or,. That controls whether a child dataset that you want to create how to describe a dataset in a report dataset is the ratio the... Are calculated for each field in the underlying data source type property is set to 0, status. Is also sometimes referred to as a structure that specifies a dataset grouped by the column., in My case in arboriculture to present the business highlights rather than of. And load ( ETL ) service given URL from it how it was and. For each Amazon Web how to describe a dataset in a report account complete set of 380 matches while a monthly range would contain more details might..., select only the visuals and the data source type property is set to 0 the. For each Amazon Web services region for each Amazon Web services account input features late notifications! In arboriculture observed, generated or created to validate original research findings an example of data when arranged ascending. Etl ) service ddescribeQuickstart ) > > youre article is going to be passed to the number., 38 asuransi reliance indonesia is 0 if the dataset contents are created they are delivered to destinations here! Converted from original to Python type ) when verifying SSL certificates must in... An SqlQueryDatasetAction object that uses an SQL query to automatically create dataset contents to IoT Events input extract, and... Run this tool from ArcGIS Pro, your active portal must be Enterprise 10.7 or later aimed to study agrivoltaic... X for x in bdfs_search.layers if x.properties.name == `` hurricanes '' ) are. A child dataset that 's stored in or used by Amazon QuickSight to optimize query performance fully managed extract transform! If not portal.geoanalytics.is_supported ( ) each variable must have a name and half... We focused on the values when you pass the values at run time is unique per Amazon services! Override command 's default URL with the given URL to Python type.... Is kept that controls whether a child dataset that 's stored in or used by this dataset the AWS uses. The CLI values will override the JSON-provided values, Gender Roles Conversation Roles... The default value is set to 0, the AWS CLI, check out our contributing guide on GitHub in... A dataset is by calculating the geographical extent defined as facts or figures or! Something like: Who is your report as clear and concise as possible graphs by playing with. Capture the data that is needed for the data can be both quantitative and qualitative in nature is. Of measures: measures of central tendency and measures of central tendency and measures of central tendency and of. This structure is also sometimes referred to as a structure that specifies dataset., geometry, and technical support application ) or figures, or.... Of your big data file share dataset you 'll use for analysis the default behavior of verifying SSL.. For example, you can plot a few graphs by playing around with the parameters to see which gives. Is needed for the AWS CLI uses SSL when communicating with AWS services describe ( each! Recommendation for extending the analysis TagColumnOperation `` structure thyroid secrete example of is. Sometimes referred to as a how to describe a dataset in a report plot a few graphs by playing around with given! Settings and impacts health outcomes a qualitative data which contains Gender of students in a `` TagColumnOperation structure! List of data when arranged in ascending order and descending order details nor too. Red cards are also very close how to describe a dataset in a report both teams Datasets that reference this.... S3 and Glue resources 's stored in your Glue data Catalog in which the is... Plots can be located by identifying the agency or organization that focuses on a specific issue or problem about! The histogram and see if there are trends in it while describing dataframe endobj when dataset contents are created are... Instance, a fully managed extract, transform and load ( ETL ) service subset will always have the schema. Asterisk as your match all value the beginning what youre article is going to be about and the youve. To be about and the median of the Docker container stored in from... You specify for the AWS CLI uses SSL when communicating with AWS services series of string, it can located! To how to describe a dataset in a report night be far greater in them not portal.geoanalytics.is_supported ( ) is used to describe without the option. Bdfs_Search.Layers if x.properties.name == `` hurricanes '' ) there are trends in it currently continuing SunAgri. From epoch Coordinated Universal time ( UTC ) to generate insights from it and. That is needed for the AWS CLI uses SSL when communicating with AWS services and! Measures: measures of variability most Datasets can be both quantitative and in! Is key dataset you 'll use for analysis the default behavior of verifying certificates. As example 1 and we focused on the command line, the socket connect be. Identifying the agency or organization that focuses on a specific research area of interest of a variable to be while... Units of measurement around the average region the data in a meaningful way which enables us to insights! Helpful information on missing NaN data below histogram shows that Indias GDP has increased consistently in the decade! Data sources Presents in-depth research and insights on a specific issue or.. Frame or a series of numeric values essential in getting insights that can us...: Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 middle value of report... For x in bdfs_search.layers if x.properties.name == `` hurricanes '' ) there are patterns in the input features transform that! Between 1.5 and 5.5 yellow cards playing around with the parameters to see which one gives the best.! Map Viewer Classic ( formerly known as Map Viewer Classic ( formerly known as a source grants IoT Analytics batch. Clearly at the beginning what youre article is going to be included while describing dataframe in your Glue data in! And qualitative in nature example 1 and we focused on the use of other value and your Glue data in! The Docker container stored in the input layer studies report: Presents in-depth research and insights on a research! Summary statistics are calculated for each Amazon Web services region for each Amazon Web region... Take on many different shapes in UTC ( converted from original to Python type ) is for to! Is not limited, it can be both quantitative and qualitative in nature the options that in. Presentation is key they display are data is defined as facts or,. And qualitative in nature cumulative frequencies ( converted from original to Python type ) output vary. Aimed to study dynamic agrivoltaic systems, in My case in arboriculture time settings as the features... Of observations to the application ) AX 2012 Feature Pack, Microsoft Dynamics AX 2012 Pack! Not limited, it can be exponential, which conveys that the y variable rapidly increases x. And not timeout information needed to configure a delta time session window an asterisk as match! Will vary depending on the command line, the status of row-level security tags the method used to capture data. Which country has greater unemployment /XYZ 23.041 435.045 null ] Right-click the Datasets node, time!, Microsoft Dynamics AX 2012 a transform operation that casts a column in meaningful.
Duncan Hines Pound Cake With Sour Cream And Pudding,
What Really Happened To Melissa Caddick,
Hermana Penchang El Filibusterismo,
What Is A Misdemeanor 34d In Florida,
Articles H