search for: selectfgr

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

2018 Mar 18
1
selectFGR - variable selection in fine gray model for competing risks
Dear All, I would like to use R function 'selectFGR' of fine gray model in competing risks model. I used the 'Melanoma' data in 'riskRegression' package. Some of the variables are factor. I get solution for full model but not in variable selection model. Any advice how to use factor variable in 'selectFGR' function....
2018 Mar 21
1
selectFGR vs weighted coxph for internal validation and calibration curve- competing risks model
...e? Thank you very much for all your inputs and suggestions Regards Amalraj raja -----Original Message----- From: Ronald Geskus [mailto:statistics at inter.nl.net] Sent: 21 March 2018 04:01 To: r-help at r-project.org Cc: Raja, Dr. Edwin Amalraj <amalraj.raja at abdn.ac.uk> Subject: Re: [R] selectFGR - variable selection in fine gray model for competing risks Dear Raja, A Fine and Gray model can be fitted using the standard coxph function with weights that correct for right censoring and left truncation. Hence I guess any function that allows to perform stepwise regression with coxph should w...
2018 Mar 21
0
selectFGR - variable selection in fine gray model for competing risks
...group Oxford University Clinical Research unit Ho Chi Minh city, Vietnam associate professor University of Oxford http://www.oucru.org/dr-ronald-b-geskus/ "Raja, Dr. Edwin Amalraj" <amalraj.raja at abdn.ac.uk> writes: > Dear All, > > I would like to use R function 'selectFGR' of fine gray model in > competing risks model. I used the 'Melanoma' data in 'riskRegression' > package. Some of the variables are factor. I get solution for full > model but not in variable selection model. Any advice how to use > factor variable in 'select...