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atcomm
2011 May 16
1
Linear Discriminant Analysis error: "Variables appear constant"
...e data (clusters were developed using Bray-Curtis and NMDS), and my predictor variables are environmental variables that might influence the fish data. These data all came from 68 sampling locations.
I'm getting an error message:
>DALogFish<-lda(Cluster~DrainArea+Flow+StrmWidth+Gradient+NatComm+FishIBIUsed
+QHEI+QHEIsub+QHEImwh_h+QHEIcov+QHEIchan+QHEIrip+QHEIpool+QHEIrif+QHEIgrads+
QHEIgradv+QHEImwh+QHEIcovtype+QHEIwwh+QHab+QHabBuff+QHabEros+QhabPool+
QHabWDRatio+QHabRif+QHabFines+QHabCov+QHabRating+QHabSize+TP+TKN+NH3+NH3Min
+NO3NO2N+BOD+TSS+TSSMax+TDS+SSC+SSCMax+Chloride+Sulfate+Ecoli+C...