Attempts to convert an xts object to a matrix throws an error when the xts object does not have a dim attribute. This error occurred while doing reverse dependency checks for #245.
x <- .xts(1:3, 1:3)
x <- drop(x) # drop dim attribute
m <- as.matrix(x) # error
# Error in if (ncol(x) == 1) { : argument is of length zero
sessionInfo()
# R version 3.5.3 (2019-03-11)
# Platform: x86_64-pc-linux-gnu (64-bit)
# Running under: Ubuntu 18.04.2 LTS
#
# Matrix products: default
# BLAS: /usr/lib/x86_64-linux-gnu/blas/libblas.so.3.7.1
# LAPACK: /usr/lib/x86_64-linux-gnu/lapack/liblapack.so.3.7.1
#
# locale:
# [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
# [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
# [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
# [7] LC_PAPER=en_US.UTF-8 LC_NAME=C
# [9] LC_ADDRESS=C LC_TELEPHONE=C
# [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
#
# attached base packages:
# [1] stats graphics grDevices utils datasets methods base
#
# loaded via a namespace (and not attached):
# [1] zoo_1.8-5 compiler_3.5.3 xts_0.11-2 grid_3.5.3
# [5] lattice_0.20-38
Attempts to convert an xts object to a matrix throws an error when the xts object does not have a
dimattribute. This error occurred while doing reverse dependency checks for #245.