Use of Select Where, when the condition requires use of 'Contain' to describe which rows are wanted
Hi, I grabble with this simple peice of querying: I want, i JSL, to select some rows, that contain several different pieces of strings. Like, a columsn has some descriptors such as '1. blood sample' '2. blood sample', 1. serum sample' etc. I want in one conditional expression to write:dt >> select where('column with sample names' contains 'blood' or 'serum').Referring to good old SAS I would just...
pevtuhov
cbpo1
patrickbrown94
cwestberg