Changes in version 0.8-35 (2022-06-14) o Minor fixes and updated documentation. Changes in version 0.8-34 (2017-09-18) o Corrected the coding of the rating-scale items of the ISSP 2000. CAR, IND, FARM, WATER, TEMP, and GENE were coded 0 (dangerous) to 4 (not dangerous) instead of 1 (dangerous) to 5 (not dangerous). o plotworth() is defunct - use plot() (or plot.wmat) instead. o Minor fixes and improvements.