search for: 5ht_maccs_dist

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2010 May 28
0
error in sammon (duplicates in configuration)
Dear members of R-mailing list, I am using Sammon's Non-Linear Mapping in R as implemented in MASS package. I have two distance matrices (attached with the mail). For the first (/5HT_MACCS_dist.dat/) /sammon()/ works fine but for the second (/5HT_TGT_dist.dat/), I get an error message "configuration has duplicates". I checked both the matrices for duplicate values using/ cmdscale()/ as the initial configuration is generated using this. Both matrices generate duplicate coordi...