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▪ Replace part of strings by the corresponding code R
▪ Automate group generation according to intervals in string
▪ Divide columns by a reference row
▪ Create a new variable of concatenated values of other columns using dplyr::mutate and a vector of ch
▪ Run a regression with omitted category
▪ Creating a Sequence with a particular length in R
▪ Join by column and similar date
▪ How to create unique ID for each subject?
▪ How to filter for rows that match some but not all conditions in R
▪ Row-bind two dataframes, but enforce that the columns' formats of the first dataframe be kept
▪ Get the rowwise minimum of certain columns excluding 0 and NA
▪ Use `dput` for POSIXct dates in r: why are they in a format like, e.g., 1070236800 instead of 2003-1
▪ Delete rows when certain factor is present more than 200 times
▪ make a tallying dataframe in R
▪ create a subgrouping column based on values in two other columns
▪ replacing multiple values seperated by a comma by other values
▪ Error when trying to use Internal function
▪ Convert a dataframe into a ped object in R (pedtools)
▪ Aggregate daily data into weeks
▪ Replace characters in the middle of a string
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