This data set comes from Richard C. Fording (https://rcfording.com/state-ideology-data/) and used in Berry et al. (1998). The data set includes state ideology data (measured at the state/legislature and citizen levels), for each year between 1960 and 2018. These data will be updated as Fording updates the data.
IdeologyA data frame with 3050 observations and 4 variables.
| state | |
| state name | year |
| year measured | c_ideo |
| citizen ideology score | s_ideo |
| state level ideology score |