Created
September 29, 2016 20:54
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# Question2 :which states provides higher average salary for data-related jobs? | |
##2.1 Create a table for salary mapping | |
Salary_state= filter(SalaryData_Join,JOB_TITLE_SUBGROUP %in% c("data scientist","data analyst","business analyst")) %>% | |
group_by(WORK_STATE) %>% | |
summarise(Avg_pay=mean(PAID_WAGE_PER_YEAR)) | |
Salary_table=inner_join(Salary_state,States,by=c("WORK_STATE"="Abr")) | |
Salary_table=Salary_table[,-c(5,6)] | |
##2.2 mapping the salary on USA_State Map using continuous color | |
Salary_table$state.name=tolower(Salary_table$state.name) | |
mapdata=map_data("state") | |
Salary_table_join=inner_join(Salary_table,mapdata,by=c("state.name"="region")) | |
g1=ggplot(data = Salary_table_join,aes(x=long,y=lat)) | |
graph2=g1+geom_polygon(aes(color="darkblue",group = group,fill=Avg_pay),show.legend = F) + | |
scale_fill_continuous(low ="orange", high = "darkblue")+ | |
ggtitle("Average Salary for Data-related job Across USA(sample)") | |
plot(graph2) |
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