search for: forestresearch

Displaying 2 results from an estimated 2 matches for "forestresearch".

2009 Jun 22
1
xyplot: subscripts, groups and subset
...code has worked for me previously but now will not output the plots. Does anyone know what's going on here? Thanks in advance, Dave Dave Auty MSc PhD Student Forest Research NRS Roslin Midlothian EH25 9SY Tel: +44(0)131 445 6936 Fax: +44(0)131 445 5124 Mob: +44(0)7896 685895 www.forestresearch.gov.uk/timberproperties +++++ The Forestry Commission's computer systems may be monitored and communications carried out on them recorded, to secure the effective operation of the system and for other lawful purposes. +++++ The original of this email was scanned for viruses by the Gove...
2004 Dec 10
1
How to circumvent negative eigenvalues in the capscale function
Dear All I am trying to do a partial canonical analysis of principal coordinates using Bray-Curtis distances. The capscale addin to R appears to be the only way of doing it, however, when I try and calculate a Bray-Curtis distance matrix either using Capscale or Vegedist (capscale I understand uses Vegedist anyway to calculate its distance matrix), R uses up all available memory on the computer,