Simplified version of str(poli): (real dataset includes 36 variables) $ country : chr [1:15846] "Afghanistan " "Afghanistan " "Afghanistan " "Afghanistan " ... $ year : num [1:15846] 1800 1801 1802 1803 1804 ... $ democ : num [1:15846] 1 1 1 1 1 1 1 1 1 1 ... $ autoc : num [1:15846] 7 7 7 7 7 7 7 7 7 7 ... $ polity : num [1:15846] -6 -6 -6 -6 -6 -6 -6 -6 -6 -6 ... $ polity2 : num [1:15846] -6 -6 -6 -6 -6 -6 -6 -6 -6 -6 ... - attr(*, "label.table")=List of 36 ..$ country : NULL ..$ year : NULL ..$ democ : NULL ..$ autoc : NULL ..$ polity : NULL ..$ polity2 : NULL
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