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How to Calculate Variance in R
To calculate the sample variance (measurement of spreading) in R, you should use the built-in …
tryCatch() Function in R
The tryCatch() function acts as a mechanism for handling errors and other conditions (like warnings …
R grep(): Finding a Position of Matched Pattern
The grep() function in R searches for matches to a pattern within a character vector. …
How to Check If File and Folder Already Exists in R
Whether you are reading or writing files via programs in the file system, it is …
How to Check Data type of a Variable in R
When it comes to checking the data type of a variable, it depends on what …
Mastering grepl() Function in R
The grepl() function (stands for “grep logical”) in R searches for patterns within each element …
