512 Problem Set 5

## Warning: package 'ggmap' was built under R version 3.4.2

## Loading required package: ggplot2

## Warning: package 'ggplot2' was built under R version 3.4.2

## Using zoom = 8...

## Map from URL : http://tile.stamen.com/toner-lite/8/70/94.png

## Map from URL : http://tile.stamen.com/toner-lite/8/71/94.png

## Map from URL : http://tile.stamen.com/toner-lite/8/72/94.png

## Map from URL : http://tile.stamen.com/toner-lite/8/73/94.png

## Map from URL : http://tile.stamen.com/toner-lite/8/74/94.png

## Map from URL : http://tile.stamen.com/toner-lite/8/70/95.png

## Map from URL : http://tile.stamen.com/toner-lite/8/71/95.png

## Map from URL : http://tile.stamen.com/toner-lite/8/72/95.png

## Map from URL : http://tile.stamen.com/toner-lite/8/73/95.png

## Map from URL : http://tile.stamen.com/toner-lite/8/74/95.png

## Map from URL : http://tile.stamen.com/toner-lite/8/70/96.png

## Map from URL : http://tile.stamen.com/toner-lite/8/71/96.png

## Map from URL : http://tile.stamen.com/toner-lite/8/72/96.png

## Map from URL : http://tile.stamen.com/toner-lite/8/73/96.png

## Map from URL : http://tile.stamen.com/toner-lite/8/74/96.png

## Map from URL : http://tile.stamen.com/toner-lite/8/70/97.png

## Map from URL : http://tile.stamen.com/toner-lite/8/71/97.png

## Map from URL : http://tile.stamen.com/toner-lite/8/72/97.png

## Map from URL : http://tile.stamen.com/toner-lite/8/73/97.png

## Map from URL : http://tile.stamen.com/toner-lite/8/74/97.png

## Warning: `panel.margin` is deprecated. Please use `panel.spacing` property
## instead

## Information from URL : http://maps.googleapis.com/maps/api/geocode/json?address=Philadelphia&sensor=false

## Map from URL : http://maps.googleapis.com/maps/api/staticmap?center=39.952584,-75.165222&zoom=10&size=640x640&scale=2&maptype=terrain&language=en-EN&sensor=false

## Warning: Removed 204 rows containing non-finite values (stat_bin2d).

## Using zoom = 8...

## Map from URL : http://tile.stamen.com/watercolor/8/70/94.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/71/94.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/72/94.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/73/94.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/74/94.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/70/95.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/71/95.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/72/95.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/73/95.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/74/95.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/70/96.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/71/96.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/72/96.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/73/96.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/74/96.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/70/97.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/71/97.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/72/97.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/73/97.jpg

## Map from URL : http://tile.stamen.com/watercolor/8/74/97.jpg

## Warning: `panel.margin` is deprecated. Please use `panel.spacing` property
## instead

## Using zoom = 8...

## Map from URL : http://tile.stamen.com/toner/8/70/94.png

## Map from URL : http://tile.stamen.com/toner/8/71/94.png

## Map from URL : http://tile.stamen.com/toner/8/72/94.png

## Map from URL : http://tile.stamen.com/toner/8/73/94.png

## Map from URL : http://tile.stamen.com/toner/8/74/94.png

## Map from URL : http://tile.stamen.com/toner/8/70/95.png

## Map from URL : http://tile.stamen.com/toner/8/71/95.png

## Map from URL : http://tile.stamen.com/toner/8/72/95.png

## Map from URL : http://tile.stamen.com/toner/8/73/95.png

## Map from URL : http://tile.stamen.com/toner/8/74/95.png

## Map from URL : http://tile.stamen.com/toner/8/70/96.png

## Map from URL : http://tile.stamen.com/toner/8/71/96.png

## Map from URL : http://tile.stamen.com/toner/8/72/96.png

## Map from URL : http://tile.stamen.com/toner/8/73/96.png

## Map from URL : http://tile.stamen.com/toner/8/74/96.png

## Map from URL : http://tile.stamen.com/toner/8/70/97.png

## Map from URL : http://tile.stamen.com/toner/8/71/97.png

## Map from URL : http://tile.stamen.com/toner/8/72/97.png

## Map from URL : http://tile.stamen.com/toner/8/73/97.png

## Map from URL : http://tile.stamen.com/toner/8/74/97.png

## Warning: `panel.margin` is deprecated. Please use `panel.spacing` property
## instead

## Map from URL : http://maps.googleapis.com/maps/api/staticmap?center=philadelphia&zoom=7&size=640x640&scale=2&maptype=satellite&language=en-EN&sensor=false

## Information from URL : http://maps.googleapis.com/maps/api/geocode/json?address=philadelphia&sensor=false

## Warning: `panel.margin` is deprecated. Please use `panel.spacing` property
## instead

## Warning: Removed 83 rows containing missing values (geom_point).

Note that the echo = FALSE parameter was added to the code chunk to prevent printing of the R code that generated the plot.