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Problem :

I am stuck because of following weired error
error in sort.list(y) : 'x' must be atomic for 'sort.list' have you called 'sort' on a list?
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2 Answers

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Solution :

The error is occurring may be because the table calls sort.list, which should have an atomic vector as its input.

Using unlist:

e.g

cc3 <- as.data.frame(table(unlist(cc2)))

Here unlist will extract elements from their list containers. So unlist(cc2) will return the vector, which works directly with table.

So your issue will get resolved.
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0 votes

Solution:

From the output of str(cc2), the variable within of the data.table, V1, is itself a list. This imply that cc2 is a nested list of length 1. The error is happening since table calls sort.list, which necessary an atomic vector as input.

Attempt employing unlist:

cc3 <- as.data.frame(table(unlist(cc2)))

unlist will extract elements from their list containers. Hence unlist(cc2) will return a vector, which performs directly with table.

I solved it by unlisting cc2 unli <- unlist(cc2) thereafter converted it to df df<-as.data.frame(cc2)

As far as I can view, the issue is that you have a nested dataframe. I can't notify of any solution except unlisting the nested dataframe (converting it to a vector):

tk1_h$profile <- unlist(tk1_h$profile)

Attempt the following R code, which must work

library(survival)
data(veteran)
fit <- survfit(Surv(time, status)~trt, data = veteran)
survminer::ggsurvplot(fit, risk.table = TRUE)

 

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