Samples is an analysis export variable.
It reports the number of good samples in the domain which was analyzed. That is samples which are not in a visible bad data region or have a value of no_data.
This variable is exported only if it is selected on the Export page of the EV File Properties dialog box.
About analysis
About analysis variables
Samples (algorithm)
About Bad_data_samples
About No_data_samples
About C_samples
About C_no_data_samples
About C_bad_data_samples