m1.logit <-lm(default ~
amt.fac +
age.fac +
duration +
chk_acct +
history +
purpose +
sav_acct +
employment +
install_rate +
pstatus +
other_debtor +
time_resid +
property +
other_install +
housing +
other_credits +
job +
num_depend +
telephone +
foreign
, family = binomial(link = "logit"), data
= dev)
on running this code I am getting the following error
Error in `contrasts<-`(`*tmp*`, value = contr.funs[1 + isOF[nn]]) :
contrasts can be applied only to factors with 2 or more levels
..
please help me solving this problem
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