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1. R & Machine Leaning July 6 2015 YoshiharuIkutani
@NNCT
2. l l R l R 2 R&MachineLeaning
3. l l R l R 3 R&MachineLeaning
4. l l l Tom Mitchell 4 R&MachineLeaning
5. Tom Mitchell 5 R&MachineLeaning
6. Tom Mitchell TPE E) (P) T 6 R&MachineLeaning
7. Tom Mitchell TPE E PT 7 R&MachineLeaning
8. P(T)(E) E PT 8 R&MachineLeaning
9. l l 9 R&MachineLeaning
10. l 4 1. Classication () 2. Regression () 3. Clustering () 4.
Rule Extraction () l 10 R&MachineLeaning
11. l l R l R 11 R&MachineLeaning
12. R l & l ( R&MachineLeaning12 1 (Text)
13. l 1. R http://cran.r-project.org/bin/macosx/ 2. Rstuido
http://www.rstudio.com/products/rstudio/ 3. GitHub
https://github.com/Yoshiharu-Ikutani/R_machine
R&MachineLeaning13
14. CSV l CSV R&MachineLeaning14 >datadata l
WorkingDirectoryR_machine Rstudio Ctrl+ShiG+H
15. data l data 1 R&MachineLeaning15 >data[,1] l data
1-32-3 >data[1:3,2:3] l data 1 >data[1,]
16. data l data R&MachineLeaning16 >boxplot(data) l
data3 >plot(data[,3],type=l) l data1 >barplot(data[,1])
17. R l n etc. l Python n Scipy, Numpy n Pandas n (R?)
R&MachineLeaning17 vs
18. l l R l R 18 R&MachineLeaning
19. R l l R R&MachineLeaning19
20. l 4R 1. (NeuralNetwork.R) 2. (LinerRegression.R) 3. k-means
(kmeans.R) 4. (PCA.R) l R&MachineLeaning20
21. l """" l iris n Sepal.Length & Width : n Petal.Length
& Width : n Species : R&MachineLeaning21
22. l n R&MachineLeaning22 Sepal.Length Sepal.Width
Petal.Length Petal.Width A B C
23. l iris150 n 75 (iris.train) n 75 (iris.test)
R&MachineLeaning23 E PT