rosetta provides a method to combine datasets that measure the same latent traits when there is only partial overlap of measurements across the constituent datasets.
devtools::install_github("cwbartlett/rosetta")
library(rosetta)
# simulate data
d <- sim(seed = 100)
# check feature names
lapply(d$missing, names)
# run rosetta
d_rosetta <- rosetta(
d = d$missing,
factor_structure = list(
a = c("a_1", "a_2", "a_3"),
b = c("b_1", "b_2", "b_3"),
c = c("c_1", "c_2", "c_3")
)
)