In lucylucy5/R_package_fars:
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
Title Analyze American Highway Fetal Accidents
Description This package cleans, subsets and analyzes datasets from US National Highway Traffic Safety Administration's Fatality Analysis Reporting System, which is a nationwide census providing the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes.
Imports dplyr graphics maps readr tidyr
VignetteBuilder knitr
Encoding UTF-8
fars_read: Read dataset
Description
This is a function that loads the csv dataset if it exists, and prints the data frame form of the dataset. You can specify the name of the dataset (using the filename argument).
Usage
fars_read(accident_2015.csv)
Arguments
filename
A character string giving the name of the csv dataset.
Value
Data frame form of a csv dataset. If the filename doesn't exist then prints an error message.
make_filename: Make file name
Description
This is a function that makes the dataset names. You can insert the year of the dataset into the file name (using the year argument).
Usage
make_filename(2018)
Arguments
year
A numeric variable giving the year of the file name.
Value
Different dataset name by different year.
fars_read_years: Select months and years of interest
Description
This is a function that selects the months and years in specified years from datasets of these years (using the years argument).
Usage
fars_read_years(list(2017,2018))
Arguments
years
A list of numbers giving the years of interest.
Value
Months and years of interst. If datasets of one or more years do not exist in the datasset then generates a warning message.
fars_summarize_years: Summarize datasets of interest
Description
This is a function that counts the number of months in each years of interest (using the years argument).
Usage
fars_read_years(list(2017,2018))
Arguments
years
A list of numbers giving the years of interest.
Value
Months and years of interst. If datasets of one or more years do not exist in the datasset then generates a warning message.
fars_map_state: Draw state map of the accidents in a year
Description
This is a function that draws the locations of the accidents in the specified state in the specified year.
Usage
fars_map_state(1, 2018)
Arguments
state.num
A numeric variable specifies the state of interest by number.
year
A numeric variable specifies the year of interest.
Value
State map of the accidents in a year. If the state doesn't exist then prints an error message. If there were no accidents in the state and year specified, then prints "no accidents to plot".
lucylucy5/R_package_fars documentation built on May 5, 2019, 3:54 p.m.
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knitr::opts_chunk$set( collapse = TRUE, comment = "#>" )
Title Analyze American Highway Fetal Accidents
Description This package cleans, subsets and analyzes datasets from US National Highway Traffic Safety Administration's Fatality Analysis Reporting System, which is a nationwide census providing the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes.
Imports dplyr graphics maps readr tidyr
VignetteBuilder knitr
Encoding UTF-8
fars_read: Read dataset
Description
This is a function that loads the csv dataset if it exists, and prints the data frame form of the dataset. You can specify the name of the dataset (using the filename argument).
Usage
fars_read(accident_2015.csv)
Arguments
filename
A character string giving the name of the csv dataset.
Value
Data frame form of a csv dataset. If the filename doesn't exist then prints an error message.
make_filename: Make file name
Description
This is a function that makes the dataset names. You can insert the year of the dataset into the file name (using the year argument).
Usage
make_filename(2018)
Arguments
year
A numeric variable giving the year of the file name.
Value
Different dataset name by different year.
fars_read_years: Select months and years of interest
Description
This is a function that selects the months and years in specified years from datasets of these years (using the years argument).
Usage
fars_read_years(list(2017,2018))
Arguments
years
A list of numbers giving the years of interest.
Value
Months and years of interst. If datasets of one or more years do not exist in the datasset then generates a warning message.
fars_summarize_years: Summarize datasets of interest
Description
This is a function that counts the number of months in each years of interest (using the years argument).
Usage
fars_read_years(list(2017,2018))
Arguments
years
A list of numbers giving the years of interest.
Value
Months and years of interst. If datasets of one or more years do not exist in the datasset then generates a warning message.
fars_map_state: Draw state map of the accidents in a year
Description
This is a function that draws the locations of the accidents in the specified state in the specified year.
Usage
fars_map_state(1, 2018)
Arguments
state.num A numeric variable specifies the state of interest by number.
year A numeric variable specifies the year of interest.
Value
State map of the accidents in a year. If the state doesn't exist then prints an error message. If there were no accidents in the state and year specified, then prints "no accidents to plot".
R Package Documentation
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We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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