Rbind list of vectors with differing lengths

Question

I am new to R and I am trying to build a frequency/severity simulation. Everything is working fine except that it takes about 10min to do 10000 simulations for each of 700 locat

Answer 1

We can append NAs at the end to make the length same for each of the list elements and then do the rbind

out <- do.call(rbind, lapply(obs, `length<-`, max(lengths(obs))))
as.data.frame(out) # if we need a data.frame as output

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or using tidyverse

library(tidyverse)
obs %>%
   set_names(seq_along(.)) %>% 
   stack %>% 
   group_by(ind) %>% 
   mutate(Col = paste0("Col", row_number())) %>% 
   spread(Col, values)