Details Ticket 251


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Serial Number 251
Subject r.stats: some inconsistent results comparing to r.average
Area bug
Queue grass
Requestors neteler@itc.it
Owner none
Status resolved
Last User Contact Fri Mar 22 10:03:23 2002 (6 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Fri Mar 22 10:03:23 2002 (6 yr ago)
Created Wed May 2 13:52:33 2001 (7 yr ago)

Transaction History Ticket 251


Wed, May 2 2001 13:52:33    Request created by mneteler  
Subject: r.stats: some inconsistent results comparing to r.average

r.stats: some inconsistent results comparing to r.average
 *First, I compute the per-class averages:
     r.average base=medv cover=test out=borra.me
 *Second, I check the result for, i.e., class 23:
     d.what.rast map=medv,borra.me
     2676500(E) 4409500(N)
           medv in user1  (23)S_SUPRAMEDITERRANEAN_ZONE
           borra.me in user1, quant   (111)
           borra.me in user1, actual  (110.794075)
 *Third, I compute the statistics for each class, but the results are not
  the same as given by d.what.rast. For example, for class 23:
     r.stats -c in=medv,borra.me
     r.stats:  100%
       ...
       23 110.299171-110.744906 6082
       ...
 *While d.what.rast was giving 110.794075. Is this a bug?
     Dr. Agustin Lobo, alobo@ija.csic.es
Fri, Jan 4 2002 18:07:25    User changed to neteler@itc.it by mneteler  
Fri, Mar 22 2002 10:03:05    Status changed to resolved by mneteler  
Fri, Mar 22 2002 10:03:23    Mail sent by mneteler  
 listed as an issue for GRASS5.1 milestone
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