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Results tagged with r
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user 229981
Use this tag for any *on-topic* question that (a) involves `R` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `R`.
2
votes
1
answer
193
views
Correct way to add both time-varying and time-invariant predictors in coxph()
I have time-varying and time-invariant predictors in my cox model. What will be the correct way to add both of them using coxph()? In my model, income, development, and gender are time invariant and g …
- 211
1
vote
1
answer
675
views
calibrate function from rms package not working for cox model with time-varying covariates?
I am using the calibrate function from the rms package but it returned an error message Error in reliability[, "index.corrected"] : subscript out of bounds. The validate function, however, did work. I …
- 211
1
vote
1
answer
323
views
Understand robust se vs naive se from marginal means survival model [duplicate]
I ran a marginal means survival model that included some time-invariant and time-varying covariates (see this post for relevant information). I am trying to understand why the robust standard errors o …
- 211
1
vote
0
answers
203
views
Interpretation of confidence interval using geom_smooth in ggplot2
I plotted data from two groups using geom_smooth in ggplot2. The default method loess was used for the lines and confidence interval was also added. Am I right by assuming if the lines and confidence …
- 211
0
votes
1
answer
138
views
Nonlinear effects of time-varying covariates from marginal rates model
This is a followup analysis on this post, inspired by the comments from @EdM. I fitted a marginal rates model (Lin, Wei, Yang, & Ying, 2002) on recurrent event data but don't know how to include and t …
- 211