spssdata.GetCaseCount Function (R)

spssdata.GetCaseCount(). Returns the number of cases (rows) in the active IBM® SPSS® Statistics dataset. Returns a value of -1 if the case count is not known.

Example

ncases <- spssdata.GetCaseCount()
casedata <- spssdata.GetDataFromSPSS()
sampledata <- casedata[sample(1:ncases,0.1*ncases),]