Hi Folks ! I' m quite new and unfamiliar to R and the rpy syntax -- I want to perform a hierarchical clustering via rpy
(org code is taken from here: http://www.statmethods.net/advstats/cluster.html ) I've got my distance matrix: data = [[ 0. 6.00346208 14.73305254 9.45877593 10.37529392 14.64073304 6.73684629 5.71299169 10.16587301 8.56850401 5.85452253 6.75451708 12.3598735 8.56758694 16.77969395] [ 6.00346208 0. 10.75255058 9.27694017 8.92864743 10.47224298 8.33163063 3.03224224 6.23356535 2.85002526 0.35475766 11.35605081 9.77946491 3.66622217 14.44358453] [ 14.73305254 10.75255058 0. 8.20798849 6.14347206 0.57937984 10.93687071 11.69653816 8.92573409 9.30765642 10.92201653 16.95097879 11.84454769 9.45838554 7.06646942] [ 9.45877593 9.27694017 8.20798849 0. 2.07907528 8.45596866 3.40937032 9.27393067 9.92154998 9.96574548 9.30819585 9.61397821 12.45180007 9.87260158 9.46924733] [ 10.37529392 8.92864743 6.14347206 2.07907528 0. 6.39730037 5.12099971 9.28180209 8.84101318 9.05018105 9.01053528 11.38155829 11.58042352 8.97908492 8.06535982] [ 14.64073304 10.47224298 0.57937984 8.45596866 6.39730037 0. 11.06346718 11.43178368 8.73774422 8.95968309 10.64201137 17.00645586 11.76744632 9.17201625 7.52501462] [ 6.73684629 8.33163063 10.93687071 3.40937032 5.12099971 11.06346718 0. 7.70853073 10.68474763 9.94520392 8.26301531 6.30469627 13.26153547 9.98211461 12.58582 ] [ 5.71299169 3.03224224 11.69653816 9.27393067 9.28180209 11.43178368 7.70853073 0. 9.07422228 5.49794007 2.69531742 9.67645849 12.69106934 6.59566115 16.014528 ] [ 10.16587301 6.23356535 8.92573409 9.92154998 8.84101318 8.73774422 10.68474763 9.07422228 0. 4.29424883 6.58392694 15.46759047 4.12940613 2.79381245 10.37719813] [ 8.56850401 2.85002526 9.30765642 9.96574548 9.05018105 8.95968309 9.94520392 5.49794007 4.29424883 0. 3.15487702 13.89075988 8.17914555 1.66774488 13.11107951] [ 5.85452253 0.35475766 10.92201653 9.30819585 9.01053528 10.64201137 8.26301531 2.69531742 6.58392694 3.15487702 0. 11.1407002 10.12084428 4.01886974 14.6837326 ] [ 6.75451708 11.35605081 16.95097879 9.61397821 11.38155829 17.00645586 6.30469627 9.67645849 15.46759047 13.89075988 11.1407002 0. 17.80463378 14.13215125 18.79282964] [ 12.3598735 9.77946491 11.84454769 12.45180007 11.58042352 11.76744632 13.26153547 12.69106934 4.12940613 8.17914555 10.12084428 17.80463378 0. 6.54836735 10.91815506] [ 8.56758694 3.66622217 9.45838554 9.87260158 8.97908492 9.17201625 9.98211461 6.59566115 2.79381245 1.66774488 4.01886974 14.13215125 6.54836735 0. 12.34812994] [ 16.77969395 14.44358453 7.06646942 9.46924733 8.06535982 7.52501462 12.58582 16.014528 10.37719813 13.11107951 14.6837326 18.79282964 10.91815506 12.34812994 0. ]] (15, 15) shape <class 'numpy.core.defmatrix.matrix'> ... and tried to cluster by using: clustered = r.hclust(data, method="single") ... but I receive: rpy.RPy_RException: Error in if (n < 2) stop("must have n >= 2 objects to cluster") : argument is of length zero I'm cant understand this error message -- I've got 15!!! Objects .... Maybe one of you could help. Thanks and best regards in advance . florian ------------------------------------------------------------------------------ OpenSolaris 2009.06 is a cutting edge operating system for enterprises looking to deploy the next generation of Solaris that includes the latest innovations from Sun and the OpenSource community. Download a copy and enjoy capabilities such as Networking, Storage and Virtualization. Go to: http://p.sf.net/sfu/opensolaris-get _______________________________________________ rpy-list mailing list rpy-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rpy-list