dim(sao_paulo_activity_sf_20)
names(sao_paulo_activity_sf_20)
head(sao_paulo_activity_sf_20)
table(sao_paulo_activity_sf_20$mode)
table(sao_paulo_activity_sf_20$purpose)
dim(sao_paulo_activity_sf_2)
names(sao_paulo_activity_sf_2)
head(sao_paulo_activity_sf_2)
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