[R] Mlogit missing value problem

K. Elo maillists at nic.fi
Mon Dec 19 10:57:18 CET 2011


19.12.2011 11:12, Ville Iiskola wrote:
> Error in if (abs(x - oldx)<  ftol) { : missing value where TRUE/FALSE
> needed
> The reason for this error is in the row 563. There the choice has
> value 1 and Ie has missing value. If the choice has value 0 and Ie
> has missing values, then there is no errors.
> What should i do to make it work..?

How about excluding all rows having the combination "choice=1" and 
"Ie=NA" by using the function 'subset'? Or would this destroy/skew your 


More information about the R-help mailing list