Reproduction files for: Is the left-right scale a valid measure of ideology? Individual-level variation in associations with \"left\" and \"right\" and left-right self-placement

Contains R-code to reproduce the analyses, tables and figures in the study. Due to the open-ended nature of the data and the strict privacy laws in Germany the data can not be published here but has to be requested directly from the GESIS: http://www.gesis.org/ . See code '00-main.r' for further instructions.