I took another pass at the idea of making comparisons of different counties in North Dakota (my first post is here). I used some different data. In this case I used the annual growth rate in county labor force from 2000 to 2018, the annual growth rate in county non-farm income from 2000 to 2018, and lastly the annual growth in taxable sales and purchases from 2000 to 2018. This is not an all inclusive list of variables but it is more data points than before. I also use the longer time frame to allow some cyclical swings but also to smooth them out over that time.
I vary the number of groups this time as well. I specify three to six clusters to see how the composition of the groups changes too. In all seriousness the suggestion here is that it is difficult to come up with theRead More »