The tapply() function in R can be used to apply some function to a vector,…
Category:
R Operations
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RR OperationsSoftware Tutorials
How to Remove Last Character from String in R (2 Examples)
by Erma Khanby Erma KhanYou can use the following methods to remove the last character from each string in…
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RR OperationsSoftware Tutorials
How to Add Column If It Does Not Exist in R
by Erma Khanby Erma KhanYou can use the following custom function to add one or more columns to a…
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You can use the following methods to replace Inf values with NA values in R:…
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RR OperationsSoftware Tutorials
How to Write a Case Statement in R (With Example)
by Erma Khanby Erma KhanA case statement is a type of statement that goes through conditions and returns a…
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You can use the following methods to check if a column of a data frame…
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RR OperationsSoftware Tutorials
How to Select Rows by Index in R (With Examples)
by Erma Khanby Erma KhanYou can use the following methods to select rows from a data frame by index…
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RR OperationsSoftware Tutorials
R: Create New Data Frame from Existing Data Frame
by Erma Khanby Erma KhanThere are two common ways to create a new data frame from an existing data…
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RR OperationsSoftware Tutorials
How to Keep Certain Columns in R (With Examples)
by Erma Khanby Erma KhanYou can use the following methods to only keep certain columns in a data frame…
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RR OperationsSoftware Tutorials
How to Perform Label Encoding in R (With Examples)
by Erma Khanby Erma KhanOften in machine learning, we want to convert categorical variables into some type of numeric…