Use standard MATLAB indexing, e.g. [1:10] Time Series Tools What''s This Specify data Data is arranged by columns rows Refresh List Selected row(s) Key in the row indices following the MATLAB supported format. Selected column(s) Key in the column indices following the MATLAB supported format. Specify row number Specify column number If data in the current variable is organized by column, select ''columns'', otherwise select ''rows''.