dpritchard

# ipak function: install and load multiple R packages.
# Check to see if packages are installed. Install them if they are not.
# Optionally, load them into the R session.

ipak <- function(pkg, load = FALSE){
    new.pkg <- pkg[!(pkg %in% installed.packages()[, "Package"])]
    if (length(new.pkg)) {
        install.packages(new.pkg, dependencies = TRUE)
    }
    update.packages(ask = FALSE)

dpritchard

library(dplyr)

# packageVersion("dplyr")
# [1] ‘0.4.2.9002’

## This also applies to readxl... Others that use dplyr?
df <- data.frame("Char" = c("A", "Char", "Vector"), stringsAsFactors = FALSE) # Ye oldy oldschool
dt <- data_frame("Char" = c("A", "Char", "Vector")) # An enhanced dataframe
str(df) # just data.frame
str(dt) # tbl_df, tbl and data.frame