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Results tagged with ordinal-data
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user 297627
Data with categorical values that can be ordered by magnitude, but the exact distance (spacing) between categories is undefined or unknown.
0
votes
1
answer
101
views
test proportional odds assumption of lagged variable in ordered logistic regression
I want to estimate transition probabilities between different disease states called "Remission", "Mild" and "moderate/severe".
I have an unbalanced panel of 250 patients with time differences between …
- 49
0
votes
1
answer
507
views
Cluster-robust standard errors after vglm
I have estimated an ordered logistic regression with the vglm function of the VGAM package in R.
Here is a minimalistic example of what I did:
library(VGAM)
cdata <- data.frame(y = ordered(as.factor( …
- 49
0
votes
Accepted
test proportional odds assumption of lagged variable in ordered logistic regression
In the end I created two new variables for lag(Mod_Sev) and lag(Mild) so that I did not need to use the lag() operator in the regression formula.
- 49
0
votes
Accepted
Cluster-robust standard errors after vglm
In the end I switched to Stata and used the user-written gologit2 package.
- 49