Package data.table version 1.15.4 Package built using 86233/R 4.5.0; x86_64-pc-linux-gnu; 2024-04-01 07:07:33 UTC; unix Checked with rchk version fdc068715daa3a256062cc20e0d4a5157dacc9a4 LLVM version 14.0.6 More information at https://github.com/kalibera/cran-checks/blob/master/rchk/PROTECT.md For rchk in docker image see https://github.com/kalibera/rchk/blob/master/doc/DOCKER.md Function checkVars [UP] allocating function uniq_diff may destroy its unprotected argument (measure_int_or_list ), which is later used. data.table/src/fmelt.c:251 [UP] calling allocating function uniq_diff with a fresh pointer (measure_int_or_list ) data.table/src/fmelt.c:251 [UP] unprotected variable measure_int_or_list while calling allocating function Rf_allocVector data.table/src/fmelt.c:254 Function coerceToRealListR [UP] calling allocating function coerceAs(?,V,?) with argument allocated using Rf_ScalarReal data.table/src/frollR.c:18 Function frollapplyR [UP] calling allocating function coerceAs(?,V,?) with argument allocated using Rf_ScalarReal data.table/src/frollR.c:260 Function frollfunR [UP] calling allocating function coerceAs(?,V,?) with argument allocated using Rf_ScalarReal data.table/src/frollR.c:148 Function gmean [UP] calling allocating function coerceAs(?,V,?) with argument allocated using Rf_ScalarReal data.table/src/gsumm.c:594 Function uniq_diff [UP] calling allocating function set_diff(V,?) with a fresh pointer (unique_col_numbers ) data.table/src/fmelt.c:201