fillIOVOccColumns {campsis} | R Documentation |
Fill IOV/Occasion columns.
Description
Problem in RxODE (LOCF mode) / mrgsolve (LOCF mode), if 2 rows have the same time (often: OBS then DOSE), first row covariate value is taken! Workaround: identify these rows (group by ID and TIME) and apply a fill in the UP direction.
Usage
fillIOVOccColumns(table, columnNames, downDirectionFirst)
Arguments
table |
current table |
columnNames |
the column names to fill |
downDirectionFirst |
TRUE: first fill down then fill up (by ID & TIME). FALSE: First fill up (by ID & TIME), then fill down |
Value
2-dimensional dataset
[Package campsis version 1.5.4 Index]