This vignette provides a meaningful description of the package Assignment 1 and how it should be used. The usage of all the functions a re decsribed one by one
library(Assignment1) #setwd( paste0(system.file(package="Assignment1"),"/data")) # opts_knit$set(root.dir=normalizePath('../')) #knitr::opts_knit$set("data")
Read Data for accidents occuring in 2013
# attach(accidents.2013) # mydata <- accidents.2013 #mydata <-read.csv(system.file(file.path("exdata","accident_2013.csv.bz2"), package="Assignment1")) #read.csv("accident_2013.csv.bz2") mydata <- fars_read("accident_2013.csv.bz2") #mydata <- fars_read(system.file(file.path("exdata","accident_2013.csv.bz2"), package="Assignment1")) str(mydata) #mydata <- fars_read_years(2014)
Generates a filename (character) in the format similar to other files given as a part of the 1st assignment of the course 'Building R Packages" on Coursera.
myfilename <- make_filename(2020)
Subsetting Year & Month variables from the data for 2014
mydata <- fars_read_years(2014) #mydata <- fars_summarize_years(2013) str(mydata)
Summarizes Year & Month variables from the data for year 2014
mydata <- fars_summarize_years(2014) str(mydata)
Plots accidents on a state map for state number 55, year 2013
mydata <- fars_map_state(55, 2013) str(mydata)
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