Description Usage Arguments Value See Also Examples
This function is used in multi.bootstrap()
to catch errors and warnings in
vglm()
model fits.
1 |
... |
Arguments to be passed to |
If fit is successful, an object of class vglm
. If fit is
unsuccessful, an object of class try-error
.
1 2 3 4 5 6 7 8 9 10 11 12 13 | df <- data.frame(id = sample(1:20, size = 100, replace = TRUE),
x1 = rnorm(n = 100),
x2 = rbinom(p = 0.75, n = 100, size = 1),
y = sample(LETTERS[1:3], size = 100, replace = TRUE))
df <- df[order(df$id),]
df$time <- unlist(lapply(1:length(unique(df$id)),
FUN = function(idnum){ 1:nrow(df[df$id == unique(df$id)[idnum],]) }))
## Successful fit
try.vglm(y ~ x1 + x2, data = df, family = multinomial(refLevel = 1))
## Unsuccessful fit
try.vglm(y ~ x1 + x2, data = df[1:5,], family = multinomial(refLevel = 1))
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