After the installation of IBM SPSS 23 (not 24, sorry): Download & Install R 3.1.0 for Mac - http://cran.mirror.garr.it/mirrors/CRAN/bin/macosx/old/R-3.1.0-mavericks.pkg Download & Install R essentials for SPSS Statistics 23 - https://github.com/IBMPredictiveAnalytics/R_Essentials_Statistics/releases/download/23.0/SPSS_Statistics_R_Essentials_23.0_mac.dmg Download and Install the PSmatching extension 3.0.4 https://sourceforge.net/projects/psmspss/files/psmatching3.04/PSMATCHING3.04.spe/download E...
After the installation of IBM SPSS 23 (not 24, sorry): Download & Install R 3.1.0 for Mac - http://cran.mirror.garr.it/mirrors/CRAN/bin/macosx/old/R-3.1.0-mavericks.pkg Download & Install R essentials for SPSS Statistics 23 - https://github.com/IBMPredictiveAnalytics/R_Essentials_Statistics/releases/download/23.0/SPSS_Statistics_R_Essentials_23.0_mac.dmg Download and Install the PSmatching extension 3.0.4 https://sourceforge.net/projects/psmspss/files/psmatching3.04/PSMATCHING3.04.spe/download E...
After the installation of IBM SPSS 24: Download & Install R 3.1.3 for Mac - http://cran.mirror.garr.it/mirrors/CRAN/bin/macosx/old/R-3.1.3.pkg Download & Install R essentials for SPSS Statistics 24 - https://github.com/IBMPredictiveAnalytics/R_Essentials_Statistics/releases/download/24.0/SPSS_Statistics_R_Essentials_24_mac.dmg Download and Install the PSmatching extension 3.0.4 https://sourceforge.net/projects/psmspss/files/psmatching3.04/PSMATCHING3.04.spe/download Enjoy!