Select Records from NONMEM-ish Data Set — nm_select

Retrieves a subset of a NONMEM-ish data set based on a list containing filtering information.

Usage

nm_select_records(cfg, values, filter)

cfg: ubiquity system object
values: dataframe containing the dataset with column headers
filter: list with element names as headers for values with values from the same header OR'd and values across headers AND'd

subset of dataset

If the dataset has the headings ID, DOSE and SEX and filter has the following format:


filter = list()
filter$ID   = c(1:4)
filter$DOSE = c(5,10)
filter$SEX  = c(1)

It would be translated into the boolean filter:


((ID==1) | (ID==2) | (ID==3) | (ID==4)) & ((DOSE == 5) | (DOSE==10)) & (SEX == 1)