Task 1

## Loading required package: ggmap
## Loading required package: ggplot2
## Loading required package: maptools
## Loading required package: sp
## Checking rgeos availability: FALSE
##      Note: when rgeos is not available, polygon geometry     computations in maptools depend on gpclib,
##      which has a restricted licence. It is disabled by default;
##      to enable gpclib, type gpclibPermit()
## Loading required package: mapproj
## Loading required package: maps
## Map from URL : http://maps.googleapis.com/maps/api/staticmap?center=Khanty-Mansiysk&zoom=3&size=%20640x640&scale=%202&maptype=terrain&sensor=false
## Google Maps API Terms of Service : http://developers.google.com/maps/terms
## Information from URL : http://maps.googleapis.com/maps/api/geocode/json?address=Khanty-Mansiysk&sensor=false
## Google Maps API Terms of Service : http://developers.google.com/maps/terms

Task 2

## Warning: Removed 18 rows containing missing values (geom_point).

Task 3

## Warning: Removed 18 rows containing missing values (stat_summary_hex).

Task 4

## Map from URL : http://maps.googleapis.com/maps/api/staticmap?center=Khanty-Mansiysk&zoom=3&size=%20640x640&scale=%202&maptype=terrain&sensor=false
## Google Maps API Terms of Service : http://developers.google.com/maps/terms
## Information from URL : http://maps.googleapis.com/maps/api/geocode/json?address=Khanty-Mansiysk&sensor=false
## Google Maps API Terms of Service : http://developers.google.com/maps/terms

## Warning: Removed 18 rows containing non-finite values (stat_density2d).

Task 5