Displaying 2 results from an estimated 2 matches for "bmisq".
2009 Dec 30
1
glm error: cannot correct step size
...'t understand when I try to run GLM. The error only occurs when I have all independent variables in the model. When I drop one independent variable, the model runs fine. Can anyone help me understand what the error means and how I can correct it?
Thank you,
John
> fit11<-glm(AAMTCARE~BMI+BMIsq+SEX+jPHI+jMEDICAID+factor(AgeCat)+
+ factor(jINDINC)+jMARSTAT+jEDUCATION+factor(jsmokercat)+factor(jrace),data=SimData,family=Gamma(link="log"))
Warning: step size truncated due to divergence
Error in glm.fit(x = X, y = Y, weights = weights, start = start, etastart = etastart, :
inner...
2010 Jan 02
1
Help with tryCatch
...I need to use withCallingHandlers(), but the explanation of these functions is beyond my ken. My latest code follows. Any suggestions for corrections would be appreciated.
# Define matrix to hold results
coeffs <- matrix(nrow=10, ncol=3)
dimnames(coeffs) < -list(NULL,c("BMI","BMIsq","min"))
# set row counter
n<-0
# Function to run
testone<-function()
{
SampleData<-sample(1:SS,size=SS,replace=TRUE)
result<-summary(glm(AAMTCARE~BMIEpiRevAdjc+BMIEpiRevAdjcSq+SEX+jPHI+jMEDICAID+H_AGE+jMARSTAT+factor(jEDUCATION)+factor(jsmokercat)+factor(jrace)+log(INC...