dMerge |
Merges 2 data frames and report/drop/keeps only duplicates. |
DropNA |
Drop rows from a data frame with missing values on a given variable(s). |
FillIn |
A function for filling in missing values of a variable from one data frame with the values from another variable. |
FindReplace |
Replace multiple patterns found in a character string column of a data frame |
grepl.sub |
Subset a data frame if a specified pattern is found in a character string |
MoveFront |
Move variables to the front of a data frame. |
PercChange |
Calculate the percentage change from a specified lag, including withing group |
rmExcept |
Remove all objects from a workspace except those specified by the user. |
shift |
A function for creating lag and lead variables. |
slide |
A function for creating lag and lead variables, including for time-series cross-sectional data. |
TimeFill |
Creates a continuous Unit-Time-Dummy data frame from a data frame with Unit-Start-End times |
VarDrop |
Drop one or more variables from a data frame. |