search for: tidwel

Displaying 3 results from an estimated 3 matches for "tidwel".

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2006 Apr 29
1
help with box-tidwell
Hi everyone I am using box.tidwell to transform the explanatory variables. However, it appears problematic. The warning I received as follows. box.tidwell(Newresponse ~ FAC2_1 + FAC4_1 + FAC5_1 + FAC6_1 + FAC7_1 + KXI + RECODINC) Warning in log(x) : NaNs produced Warning in lm.fit(x, y, offset = offset, singular.ok = singular.o...
2006 Dec 01
1
Box Tidwell / Error Message
Dear R-Users, I used the box.tidwell () function of the car Package. When I used the following formula: semi.sub.in.mi1.boxtidwell_h<-box.tidwell(RENT_LG ~ I(age+1)+I(age2+1)+X06A + I(X08B+1) + I(X22+1) + I(X24+1) + X31A, ~B_YEAR + C_X01 + C_X14 + C_X19 + C_X29A +C_X21 + C_X23 + D_X12 + D_X17 + D_X18 + D_X25 + D_X27 + D_X...
2006 Dec 04
1
Box Tidwell / Error Message / Error in parse(file, n, text, prompt) : syntax error in
Dear R-Users, I used the box.tidwell () function of the car Package. So far everything is fine. However, if the number of dummy variables in the part not to be transformed (other.x formula) exceeds a certain level (around 70), I receive the following error message: Error in parse(file, n, text, prompt) : syntax error in...