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R
      —                                      —


                               Nagoya.R #1
                               2010-03-26

Saturday, March 27, 2010
•                                    (         )

     •
     •                     R     R
           •                   Nagoya.R       ...

Saturday, March 27, 2010
Agenda
                    1. R
                    2. R
                    3.
Saturday, March 27, 2010
Agenda
                    1. R
                    2. R
                    3.
Saturday, March 27, 2010
R

         •
         •                 Ross Ihaka & Robert Gentleman (R & R)

         •


Saturday, March 27, 2010
R
Saturday, March 27, 2010
R

               •               IBM SPSS Statistics   10


               •
               •
Saturday, March 27, 2010
R

               •
                           •
               •
                           •   PC


Saturday, March 27, 2010
Excel          SPSS         ...

             •                  IBM SPSS Statistics   10


             •
                           • Excel
             •
Saturday, March 27, 2010
R   R



Saturday, March 27, 2010
R

              1. http://www.r-project.org/
              2. “download R”
              3. JAPAN
              4.                  OS


Saturday, March 27, 2010
R
                           Windows: http://cran.md.tsukuba.ac.jp/bin/windows/base/
                              ■    Download R 2.10.1 for Windows



                   ■ Mac OS X: http://cran.md.tsukuba.ac.jp/bin/macosx/
                             R-2.10.1.pkg (latest version)




Saturday, March 27, 2010
R
                   1. http://www.r-project.org/
                   2.

                   3.


Saturday, March 27, 2010
R
          • Windows
                • START → Program → R → Uninstall R
          • Mac OS X
                      /Applications    R
                      /Library/Frameworks   R. framework



Saturday, March 27, 2010
R
          • Windows
                • START → Program → R → R 2.10.1
          • Mac OS X
                       /Applications   R


                             R


Saturday, March 27, 2010
R

          • Windows                  Mac OS X
                1.         q()
                2.
                3.                        R


Saturday, March 27, 2010
R

              •
              •                                    Win

                    • [ ]→[GUI                 ]
                    • Font [MS Mincho]   [MS Gothic]



Saturday, March 27, 2010
R

                 •               help(XXX) !!
                 • RjpWiki     (http://www.okada.jp.org/RWiki/)


                 •R                                    (http://aoki2.si.gunma-u.ac.jp/R/)


                 • R-Tips  (http://cse.naro.affrc.go.jp/takezawa/r-tips/r.html




Saturday, March 27, 2010
1. R

             •      R
                   •
             •                                   q()

             •                    help(XXX) !!

Saturday, March 27, 2010
1. R




                             R    R
Saturday, March 27, 2010
Agenda
                    1. R
                    2. R
                    3.
Saturday, March 27, 2010
Agenda
                    1. R
                    2. R
                    3.
Saturday, March 27, 2010
Saturday, March 27, 2010
•                        [Enter]
                           • > 3+5 [Enter]
                           • > 10-3 [Enter]
                           • > 2*3 [Enter]
                           • > 100/20 [Enter]
                           • > (12 + 34 -56) * 78 / 90 [Enter]
Saturday, March 27, 2010
•
                           •   > 100^1/2
                           •   > 100^(1/2)
Saturday, March 27, 2010
Saturday, March 27, 2010
R




Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
sqrt()
                    • > sqrt(2)
                    • > sqrt(144)
                    • > sqrt(104976)
                    •[      ]2

                           • 2 3         1
                           • > 2^(1/3)
Saturday, March 27, 2010
(   )

       •       R

       • q()               help(xxx)

       •
Saturday, March 27, 2010
R




Saturday, March 27, 2010
Saturday, March 27, 2010
R




Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
“hako”

         •         > hako <- c(1,2,3,4,5)
         •         > hako
                     •     c()   concatenate
                     •
Saturday, March 27, 2010
hako


                 1         5          5



Saturday, March 27, 2010
Saturday, March 27, 2010
•      > sqrt(hako)

                    • > log(hako)

Saturday, March 27, 2010
sqrt(1), sqrt(2) ... sqrt(5)
                            log(1), log (2) ... log (5)

Saturday, March 27, 2010
Saturday, March 27, 2010
2. R
              •       R

              •
                           •   q(), help(), sqrt(), log(), c()

              •
Saturday, March 27, 2010
...

Saturday, March 27, 2010
Agenda
                    1. R
                    2. R
                    3.
Saturday, March 27, 2010
Agenda
                    1. R
                    2. R
                    3.
Saturday, March 27, 2010
...

Saturday, March 27, 2010
Saturday, March 27, 2010
•
                    •
                    •
                    •
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
(15,000)

Saturday, March 27, 2010
(300)
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
※ Nagoya.R #2

Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
Saturday, March 27, 2010
•
                    •
                    •
Saturday, March 27, 2010
•                     ÷


     •
     •
Saturday, March 27, 2010
•
•
Saturday, March 27, 2010
...



Saturday, March 27, 2010
Saturday, March 27, 2010
...



Saturday, March 27, 2010
Saturday, March 27, 2010
•
              •
                           •   etc.



Saturday, March 27, 2010
R


Saturday, March 27, 2010
•                      summary()

              •                    table()

              •            sum()

              •                         length()

Saturday, March 27, 2010
•                mean()

          •                           max(), min()

          •                median()

          •                  sd()


Saturday, March 27, 2010
...



Saturday, March 27, 2010
10   TOEIC

          600, 500, 720, 430, 500,
          550, 430, 500, 850, 400
       1. “score”
       2.



Saturday, March 27, 2010
OK

Saturday, March 27, 2010
10   TOEIC


          600, 500, 720, 430, 500,
          550, 430, 500, 850, 400
       1. “score”
       2.



Saturday, March 27, 2010
•      > score <- c(600,500,720,430,500,
                      550,430,500,850,400)
      •      > summary(score)
      •      > mean(score)
      •      > max(score)
      •      > min(score)
      •      > median(score)
      •      > sd(score)
Saturday, March 27, 2010
Saturday, March 27, 2010

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