This tutorial explains how to view properties and metadata of objects assigned on the server side.
library(dsBaseClient)
To view the objects currently assigned in your remote workspace:
ds.ls()
## $server1
## $server1$environment.searched
## [1] "R_GlobalEnv"
##
## $server1$objects.found
## [1] "cnsim" "dasim" "survival" "titanic"
##
##
## $server2
## $server2$environment.searched
## [1] "R_GlobalEnv"
##
## $server2$objects.found
## [1] "cnsim" "dasim" "survival" "titanic"
ds.class("cnsim")
## $server1
## [1] "data.frame"
##
## $server2
## [1] "data.frame"
ds.colnames("cnsim")
## $server1
## [1] "id" "LAB_TSC" "LAB_TRIG"
## [4] "LAB_HDL" "LAB_GLUC_ADJUSTED" "PM_BMI_CONTINUOUS"
## [7] "DIS_CVA" "MEDI_LPD" "DIS_DIAB"
## [10] "DIS_AMI" "GENDER" "PM_BMI_CATEGORICAL"
##
## $server2
## [1] "LAB_TSC" "LAB_TRIG" "LAB_HDL"
## [4] "LAB_GLUC_ADJUSTED" "PM_BMI_CONTINUOUS" "DIS_CVA"
## [7] "MEDI_LPD" "DIS_DIAB" "DIS_AMI"
## [10] "GENDER" "PM_BMI_CATEGORICAL"
ds.dim("cnsim")
## $`dimensions of cnsim in server1`
## [1] 2163 12
##
## $`dimensions of cnsim in server2`
## [1] 3088 11
##
## $`dimensions of cnsim in combined studies`
## [1] 5251 12
ds.length("cnsim$GENDER")
## $`length of cnsim$GENDER in server1`
## [1] 2163
##
## $`length of cnsim$GENDER in server2`
## [1] 3088
##
## $`total length of cnsim$GENDER in all studies combined`
## [1] 5251
ds.levels("cnsim$DIS_CVA")
## $server1
## $server1$Levels
## [1] "0" "1"
##
## $server1$ValidityMessage
## [1] "VALID ANALYSIS"
##
##
## $server2
## $server2$Levels
## [1] "0" "1"
##
## $server2$ValidityMessage
## [1] "VALID ANALYSIS"