stan-dev/posterior
[FR?] rvar works in data.frame but not data.table
Aberta
#234 aberto em 5 de abr. de 2022
help wanted
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Description
Not sure if this is a posterior issue or data.table issue but it looks like you cannot put rvars into data.table but it does work with data.frame
library(data.table)
library(posterior)
n <- 4 # length of output vector
x_rvar <- rvar(array(rnorm(4000*n, mean = 1, sd = 1), dim = c(4000, n)))
x_rvar
# rvar<4000>[4] mean ± sd:
# [1] 0.98 ± 1.00 1.00 ± 1.02 1.00 ± 0.99 0.99 ± 0.99
# does not work :(
ex_dt = data.table(ex = x_rvar)
ex_dt
# Empty data.table (0 rows and 1 cols): ex
# does work
ex_df = data.frame(ex = x_rvar)
ex_df
# ex
# 1 0.9778591 ± 1.0010389
# 2 1.0015836 ± 1.0206705
# 3 0.9964342 ± 0.9948071
# 4 0.9947569 ± 0.9921549