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Dear expeRt, I would like to know whether a function similar to str_replace() in php exists in R. Looking forward to hearing from you. Best, ========================================================= Center of Excellence for Science and Innovation Studies, Royal Institute of Technology Drottning Kristinas v?g 30 100 44 Stockholm, Sweden e-mail: donghoh at infra.kth.se, doriaba2 at snu.ac.kr, oh.dongh at gmail.com Office: +46 8 790 67 93 Fax: +46 8 790 95 17 Cell phone: +46 73 563 45 22 =========================================================

Hi, I'm trying to debug a function I wrote to calculate the cindex for a hierarchical tree. For this it is useful to compare my calculations with those in output from the clustindex function, in the cclust library. There's no way, however, to have the cindex value for a given output of the cclust function, as a NA value is always returned. This happens almost surely because the cindex in

Dear R-friends, the dataset I am using (data.it) is organized as follows partner stp btp reg hk 0.64 1 s ger 0.27 1 d tur 0.27 1 s rom 0.24 1 s-f por 0.24 1 s spa 0.23 1 s gre 0.22 1 d-f aus 0.17 1 d uk 0.16 1 s be 0.16 1 d arg 0.15 1 s usa 0.13 1 d-f fra 0.13 1 s neth