selectByLabel {GCDkit} | R Documentation |
Selecting subsets of the data stored in memory by searching sample names or a single label.
selectByLabel()
This function enables the user to query a single textual column, a label,
chosen using the function 'selectColumnLabel
'.
The current data will be replaced by its newly chosen subset.
These enquiries employ regular expressions
.
Overwrites the data frame 'labels
' and numeric matrix 'WR
' by
subset that fulfills the search criteria.
Vojtech Janousek, vojtech.janousek@geology.cz
## Not run: # Subset by label The searched field corresponds to localities with the following levels: Mull, Rum, Skye, Coll, Colonsay, Hoy, Westray, Sanday, Stronsay, Tiree, Islay Search pattern = ol Coll, Colonsay Search pattern = n.a Colonsay, Sanday, Stronsay Search pattern = ^S Skye, Sanday, Stronsay Search pattern = e$ Skye, Tiree Search pattern = [ds]ay Colonsay, Sanday, Stronsay Search pattern = [p-s]ay Colonsay, Westray, Stronsay Search pattern = ol|oy Coll, Colonsay, Hoy Search pattern = l{2} Mull, Coll # Subset by sample name The sample names are: Bl-1, Bl-3, Koz-1, Koz-2, Koz-5, Koz-11, KozD-1, Ri-1. Search pattern = oz-[1-3] Koz-1, Koz-2, Koz-11 Search pattern = oz-|Bl- Bl-1, Bl-2, Bl-3, Koz-1, Koz-2, Koz-5, Koz-11 ## End(Not run)