4月２６日

# 変数の消去
rm(list = ls())

# 表示を科学表示から変更
 options(scipen = 999)

# パッケージ　`pacman`を使って必要なパッケージをインストール
if(!require("pacman")) install.packages("pacman")

##  要求されたパッケージ pacman をロード中です

pacman::p_load("tidyverse", "skimr")

# データサイエンスのための基本パッケージセット　
# https://www.tidyverse.org/
library(tidyverse)
#  readr, readxl, googlesheet 4は　tidyverseに含まれる

#  読み込んだデータのまとめ
library(skimr)

# データサイエンスのための基本パッケージセット　
# https://www.tidyverse.org/
library(tidyverse)
#  readr, readxl, googlesheet 4は　tidyverseに含まれる

#  読み込んだデータのまとめ
library(skimr)

getwd()

## [1] "C:/Users/01102/OneDrive/デスクトップ/データ"

getwd()

## [1] "C:/Users/01102/OneDrive/デスクトップ/データ"

ls("package:datasets")

##   [1] "ability.cov"           "airmiles"              "AirPassengers"        
##   [4] "airquality"            "anscombe"              "attenu"               
##   [7] "attitude"              "austres"               "beaver1"              
##  [10] "beaver2"               "BJsales"               "BJsales.lead"         
##  [13] "BOD"                   "cars"                  "ChickWeight"          
##  [16] "chickwts"              "co2"                   "CO2"                  
##  [19] "crimtab"               "discoveries"           "DNase"                
##  [22] "esoph"                 "euro"                  "euro.cross"           
##  [25] "eurodist"              "EuStockMarkets"        "faithful"             
##  [28] "fdeaths"               "Formaldehyde"          "freeny"               
##  [31] "freeny.x"              "freeny.y"              "HairEyeColor"         
##  [34] "Harman23.cor"          "Harman74.cor"          "Indometh"             
##  [37] "infert"                "InsectSprays"          "iris"                 
##  [40] "iris3"                 "islands"               "JohnsonJohnson"       
##  [43] "LakeHuron"             "ldeaths"               "lh"                   
##  [46] "LifeCycleSavings"      "Loblolly"              "longley"              
##  [49] "lynx"                  "mdeaths"               "morley"               
##  [52] "mtcars"                "nhtemp"                "Nile"                 
##  [55] "nottem"                "npk"                   "occupationalStatus"   
##  [58] "Orange"                "OrchardSprays"         "PlantGrowth"          
##  [61] "precip"                "presidents"            "pressure"             
##  [64] "Puromycin"             "quakes"                "randu"                
##  [67] "rivers"                "rock"                  "Seatbelts"            
##  [70] "sleep"                 "stack.loss"            "stack.x"              
##  [73] "stackloss"             "state.abb"             "state.area"           
##  [76] "state.center"          "state.division"        "state.name"           
##  [79] "state.region"          "state.x77"             "sunspot.month"        
##  [82] "sunspot.year"          "sunspots"              "swiss"                
##  [85] "Theoph"                "Titanic"               "ToothGrowth"          
##  [88] "treering"              "trees"                 "UCBAdmissions"        
##  [91] "UKDriverDeaths"        "UKgas"                 "USAccDeaths"          
##  [94] "USArrests"             "UScitiesD"             "USJudgeRatings"       
##  [97] "USPersonalExpenditure" "uspop"                 "VADeaths"             
## [100] "volcano"               "warpbreaks"            "women"                
## [103] "WorldPhones"           "WWWusage"

cars_temp<-cars

iris_temp<-iris