Dear Wendy,

This can sometimes happen if the values in your data file are outside of the expected range. You can test this by selecting a few rows on the left side of the screen and letting your mouse linger over the rows on the right hand of the screen (i.e. the zoomed in rows). If the values displayed are larger than 3, the you may need to adjust the contrast settings. To do this, goto  Settings->Pixel Settings, and either use the slider or edit the number in the Contrast box.

If this doesn't help, you can also send me a zip file containing the cdt and gtr and I'll have a look.


On Sat, Jan 30, 2010 at 7:29 AM, Wendy Qiao <> wrote:

Dear there,


When I try to cluster, the map is completely red. I think there is some problem with the clustering algorithms that I used. I tried the most of the  Adjust Data-Cluster combinations in Cluster3.0, but no one works. What may the possible reason?


Thank you,




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