* Only use 1996 data
keep if year == 1996
* Getting a count of the number of counties
codebook countyid
* Give us the number of counties that had zero murders during 1996
codebook countyid if murders == 0
* Give us the number of counties that had zero executions during 1996
codebook countyid if execrate == 0
* Here we get the minimum and maximum number of murders across all of the
* states in 1996
summarize murders
* Herre we get the minimum and maximum number of executions across all of the
* states in 1996
summarize execs
* Calculate the Pearson Correlation Coefficient and its p-value between
* murders and executions
pwcorr murders execs, sig