I have installed R2.12.1 from Cran-r-project website, and downloaded the SPSS R Essentials for SPSS 20 for windows (32-bits).after i downloaded the plug-in, then I run the plug-in as administrator.
I go to ANALYZE--> PS MATCHING, then the output shows the errors as shown below:
Error # 1. Command name: PSMATCHING3
The first word in the line is not recognized as an SPSS Statistics command.
Execution of this command stops.
ID = Cohort_no
TREAT = Any_antiviral_treatment_matching
COVS = PORT Fever_adm Hemop_adm O2requirement MechanVent
RATIO = 3
CALIPER = .2
DISCARD = NONE
/PLOT HISTPLOT HISTBAL DOTPLOT
Please help how to resolve this problem.