search for: evi_min

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2010 Aug 17
2
Independent variables omitted in lm and glm
...sv("c:/migration/Mig_ratio_20100817.csv",header=T, row.names=1) dim(datam) datam[1,] # original regression model (16 indep. variables) Mig.lm <-lm(datam$SummerM_ratio~datam$temp_ran+datam$temp_mean+datam$temp_max+datam$temp_min+datam$evi_ran+datam$evi_mean+datam$evi_max+datam$evi_min+datam$prec_ran+datam$prec_mean+datam$prec_max+datam$prec_min+datam$topo_var+datam$topo_mean+datam$coast+datam$Iso_index_0808,data=datam) summary(mig.lm) mig.glm <-glm(datam$SummerM_ratio~datam$temp_ran+datam$temp_mean+datam$temp_max+datam$temp_min+datam$evi_ran+datam$evi_mean+datam$evi...
2010 Jul 17
2
cca in vegan (formula instead of community matrix data)
...e 'vegan' was built under R version 2.10.1 rm(list=ls()) library(vegan) datam <-read.csv("c:/migration/M_R_20100707_winterM.csv",header=T, row.names=1) dim(datam) datam[1,] m.cca <- cca(datam$WinterM_ratio~datam$topo_mean+datam$coast+datam$prec_max +datam$temp_min+datam$evi_min, datam) error in cca.default(d$X, d$Y, d$Z) : All row sums must be >0 in the community data matrix [[alternative HTML version deleted]]