--- title: setting environment tags: TITUS --- # 環境設置_setting environment ```r= ## 2019-01-22-SETTING-ENVIRONMENT rm(list = ls()) # 清除暫存區的資料 # 爬蟲套件安裝(僅第一次需要) install.packages('xml2') install.packages('httr') install.packages('rvest') # 顯示中文字符(實際施測上沒差,可以考慮不要安裝) install.packages('tmcn') install.packages('tm') # 快捷輸入code的套件,可以用「%>%」這個符號來帶入物件。 install.packages('magrittr') # 載入套件 library(xml2) library(httr) library(tmcn) library(tm) library(rvest) library(magrittr) message(paste("環境設定完畢。","\n",Sys.system())) ```