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yeere91/diff_choropleth

Created October 24, 2016 04:44
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diff_choropleth
# Summarizing the data by year
crashes_in_2015 = zip_counts %>% filter(year==2015)
crashes_in_2014 = zip_counts %>% filter(year==2014)
crashes_in_2013 = zip_counts %>% filter(year==2013)
## Get the diffs for 2014 vs 2015
y2015.vs.y2014 = left_join(crashes_in_2015,crashes_in_2014,by = 'region')
df20152014 = as.data.frame(y2015.vs.y2014) %>% select(year.x,region,value.x,value.y)
df20152014 = df20152014 %>% mutate(value=value.x-value.y)
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