<div dir="ltr">Hi list,<br><div><br></div><div>i am processing plenty of modis subsets into a group called "pca"<br></div><div><br></div><div>when using WinGRASS it gives an error<br></div><div><br>GRASS 7.0.svn> i.pca --overwrite input=pca output_prefix=_msub<br>
Computing covariance matrix...<br> 100%<br>ERROR: No non-null values<br>GRASS 7.0.svn><br><br><br></div><div>can anybody help please?<br><br></div><div>Martin<br></div></div>