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R DataTable

18 posts

Apply function to each row in Data.table in R

Last Updated: 30 May 2021

In this article, we are going to see how to apply functions to each row in the data.table in R Programming Language. For applying a function to each row of the given data....read more

Convert Column Classes of Data Table in R

Last Updated: 26 May 2021

The data.table package is used to ease the data manipulation operations such as sub-setting, grouping, and updating operations of the data table in R Programming Language....read more

How to make a frequency distribution table in R ?

Last Updated: 14 August 2024

In this article, we are going to see how to make a frequency distribution table using R Programming Language. The table() method in R is used to compute the frequency coun...read more

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Extend Contingency Table with Proportions and Percentages in R

Last Updated: 06 June 2021

The data.table in R programming language can be used to store different cells containing values each belonging to a similar set of groups or mutually exclusive groups. The...read more

How to Aggregate multiple columns in Data.table in R ?

Last Updated: 17 June 2021

In this article, we will discuss how to aggregate multiple columns in Data.table in R Programming Language.A data.table contains elements that may be either duplicate or u...read more

Compare Adjacent Rows in R data.table

Last Updated: 13 July 2021

The data.table package is used to ease the data manipulation operations such as subsetting, grouping, and updation operations of the data table in R Programming Language. ...read more

Merge Two data.table Objects in R

Last Updated: 23 August 2021

data.table is a package that is used for working with tabular data in R. It provides an enhanced version of "data.frames", which are the standard data structure for storin...read more

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Remove Multiple Columns from data.table in R

Last Updated: 31 August 2021

In this article, we are going to see how to remove multiple columns from data.table in the R Programming language.Create data.table for demonstration:R # load t...read more

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Group data.table by Multiple Columns in R

Last Updated: 23 September 2021

In this article, we will discuss how to group data.table by multiple columns in R programming language.The package data.table can be used to work with data tables and subs...read more

Summarize Multiple Columns of data.table by Group in R

Last Updated: 23 September 2021

In this article, we will discuss how to summarize multiple columns of data.table by Group in R Programming Language.Creating table for demonstration:R # load da...read more

Select Subset of DataTable Columns in R

Last Updated: 23 September 2021

In this article, we will discuss how to select a subset of data table columns in R programming language.Let's create a data table using a matrix. First, we need to load da...read more

Shift a column of lists in data.table by group in R

Last Updated: 24 October 2021

In this article, we will discuss how to shift a column of lists in data.table by a group in R Programming Language.The data table subsetting can be performed and the new c...read more

Concatenate List of Two data.tables Using rbindlist() Function in R

Last Updated: 02 June 2022

In this article, we will be looking at the approach to concatenating a list of two data.tables using rbindlist() function in the R programming language.Concatenate List of...read more

Use Previous Row of data.table in R

Last Updated: 06 June 2022

In this article, we will be looking at different approaches to using the previous row of data.table using the basic functionality in the R programming language.The data ta...read more

Apply Function to data.table in Each Specified Column in R

Last Updated: 30 August 2022

In this article, we are going to see that how to apply a function to data.table in each specified column in R Programming Language.The data.table library in R is used to c...read more