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2012 Feb 13
1
multi-regression with more than 50 independent variables
...ent variables in multiple linear regressions in R? I attached my dataset as well as R codes below: mlr.data<- read.table("./multiple.txt",header=T) mlr.output<- lm(formula = CaV ~ SHG + TrD+ CrH+ SPAD+ FlN+ FrN+ YT+ LA+ LDMP+ B+Cu+ Zn+ Mn + Fe+ K + P+ N +Clay30 +Silt30 +Sand30 +Clay60 +Silt60 +Sand60 +ESP30 +NaEx30+ CEC30+Cl30+ SAR30 +KSol30+ NaSol30 +CaMgSol3 +ZnAv30 +FeAv30 +OC30 +PAv30 +KAv30 +TNV30+ pH30+ EC30 +SP30 +ESP60 +NaEx60 +CEC60 +Cl60 +SAR60 +KSol60 +NaSol60 +CaMgSol6 +ZnAv60+FeAv60 +OC60 +PAv60 +KAv60 +TNV60 +pH60 + EC60 +SP60, data=mlr.data) summ...