fars_map_state: Plot accidents on a map
In rafal-gl/package_coursera: FARS data manipulation

Plot a state map with accidents as points. States are selected by specifing their number from data files.

1	fars_map_state(state.num, year)

`state.num`	numeric, a number of a state to plot
`year`	numeric or character with year number

NULL, this function only plots

The function will return an error if there are no accidents registered in requested state and year or the state.num is invalid

fars_map_state(1, 2013)
fars_map_state(30, 2015)
# invalid state.num
fars_map_state(100, 2015)

rafal-gl/package_coursera documentation built on May 20, 2019, 5:58 p.m.

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