工具箱



DataCamp Light


## plot
library(gapminder)
library(ggplot2)

## import
library(readr)
library(data.table)
library(readxl)
library(gdata)
library(DBI)
library(httr)
library(jsonlite)
library(haven)
library(foreign)

## data
library(dplyr)
library(hflights)

## clean
library(tidyr)
library(lubridate)
library(stringr)

## function
library(purrr)

## finance
library(quantmod)

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