How to add column to a dataframe in r

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- How to add a column to a dataframe in r dplyr
- How to add another column to a dataframe in r
- How to add a column to a dataframe in rstudio
- How to add new column to a dataframe in r
- How to add an empty column to a dataframe in r
- How to add a blank column to a dataframe in r
- How to add column to existing dataframe in r
- How to add a column name to a dataframe in r
- How to add column to beginning of dataframe in r
- How to add a vector as a column to a dataframe in r
- How to add a column to a dataframe in r based on another column
- How to add one column from a dataframe to another in r
- How to add column in r data frame
- Add a column to a dataframe in r based on other columns