Re: [R] Error in eval(expr, envir, enclos)

2010-09-22 Thread uttara_n
Hello, I just figured out that there was some problem with my dataset. So, the Regression is working fine now. Thanks a lot for all your help and suggestions. Uttara -- View this message in context: http://r.789695.n4.nabble.com/Error-in-eval-expr-envir-enclos-tp2547917p2550252.html Sent from

Re: [R] Error in eval(expr, envir, enclos)

2010-09-21 Thread uttara_n
Hello Joshua, It still gives me the same error. Uttara -- View this message in context: http://r.789695.n4.nabble.com/Error-in-eval-expr-envir-enclos-tp2547917p2548861.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project

Re: [R] Error in eval(expr, envir, enclos)

2010-09-21 Thread uttara_n
I used the following command line: Regression <- read.table ("C:/MUP/Internship/Distance_Statistics/Excel_data/Robust_Regression/ForModelling_Rev_Rob.csv" , sep= ",", header = TRUE) attach (Regression) summary (Regression) library (MASS) rlm(TotalEmployment_2004 ~ MISSISSIPPI + LOUISIANA + Total

Re: [R] Error in eval(expr, envir, enclos)

2010-09-21 Thread uttara_n
Oh, I am sorry I did not include the data.frame command line since it loaded the data correctly without any errors. The following is the command line I used to load the data: data <- read.table ("C:/MUP/Internship/Distance_Statistics/Excel_data/ForModelling_Rev_2.csv" , sep= ",", header = TRUE) a

[R] Error in eval(expr, envir, enclos)

2010-09-20 Thread uttara_n
I am absolutely new to R and I am aware of only a few basic command lines. I was running a robust regression in R, using the following command line library (MASS) rfdmodel1 <- rlm (TotalEmployment_2004 ~ MISSISSIPPI + LOUISIANA + TotalEmployment_2000 + PCWhitePop_2004 + UnemploymentRate_2004 + P

[R] Singular error in rlm

2010-08-16 Thread uttara_n
I am absolutely new to R and I am aware of only a few basic command lines. I was running a robust regression in R, using the following command line library (MASS) rfmodel2 <- rlm (TotalEmployment_2005 ~ ALABAMA + MISSISSIPPI + LOUISIANA + TotalEmployment_2000 + PCWhitePop_2005 + UnemploymentRate_