##   Year  age_group pop_perct
## 1 1860 0-5yrs_old      15.4
## 2 1870 0-5yrs_old      14.3
## 3 1880 0-5yrs_old      13.8
## 4 1890 0-5yrs_old      12.2
## 5 1900 0-5yrs_old      12.1
## 6 1910 0-5yrs_old      11.6
## [1] "Above is a short output of the data we will be analyzing..\n Year: numeric; 1860-2010, by 10yrs\n age_group: factor, 5 (age) groups\n pop_perct: population of the given year by age group"

## [1] "Above is a line graph that goes throughout the centuries and demonstrates population fluctuation by age groups, notice the key to the right"

## [1] "Above is a faceted line graph graphed completely seperated by age groups assisted with each individual point being an observation."

## [1] "Above is an area plot graph that goes throughout the centuries and demonstrates population fluctuation by age groups, notice the key to the right"

## [1] "The boxplot above plots the 5 number summary(average over the centuries bya ge group) for the age groups."

## [1] "The above heatmap expresses the density of population percentages. The darker the tile, the more of the entire population resided inside the respective age group."