68th Tokyo.R Beginner session1

第68回Tokyo.Rの初心者セッション１：data import/exportのスライドです。

Transcript

1. 
   
   @kilometer
   BeginneR Session 1
   -- Data Import / Export --
   2018.03.03 at Shiodome
   

   View Slide

2. Who
   
   

   View Slide

3. Who
   @kilometer
   Postdoc (Ph.D engineering)
   Animal Behavior
   Neuro Imaging
   Medical Engineering
   R ~ 10 years?
   
   :
   

   View Slide

4. BeginneR Session
   

   View Slide

5. 
   

   View Slide

6. 
   

   View Slide

7. Before After
   BeginneR Session
   
   

   View Slide

8. Input
   Output
   Today’s talk
   ?
   ?
   Table data Image data Other formats
   Introduction Summary
   

   View Slide

9. !
   #
   
   
   $"
   
   
   $
   
   $
   
   
   

   View Slide

10. #
    %
    
    
    
    &$
    !&
    !&
    "
    
    
    
    
    
    
    
    

    View Slide

11. 
    !
    
    "
    
    "
    
    "
    
    
    

    View Slide

12. 
    !
    
    "
    
    "
    
    "
    
    
    

    View Slide

13. Input
    Output
    Do NOT start from here
    

    View Slide

14. Input
    Output
    Do NOT start from here
    Whatever
    …
    

    View Slide

15. Input
    Output
    Do NOT start from here
    Whatever
    …
    1
    2
    3
    

    View Slide

16. Input
    Output
    Today’s talk
    ?
    ?
    

    View Slide

17. Integrated Development Environment
    RStudio https://www.rstudio.com/ !
    

    View Slide

18. Integrated Development Environment
    RStudio https://www.rstudio.com/
    

    View Slide

19. RStudio
    

    View Slide

20. Projects
    RStudio
    

    View Slide

21. RStudio > Project
    .H21474836474<:G RStudio
    7@
    ,R&-%("#+!')0FC
    ,')JA!3?
    ,')6=!("#+!3< RStudio!E1
    ฤू్தͷ಺༰Λอ࣋
    D5921474836472R*-$-QOL!;8/
    
    BI >
    34UVEJPͬͯͳΜͩʁ 1SPKFDUͬͯͳΜͩ
    !XBLVUFLB
    https://qiita.com/wakuteka/items/9599bb0a8985d98928d7
    

    View Slide

22. RStudio > Project
    R
    
    +(
    .'"&
    #%"$
    RStudio)!
    
    *-
    , #%"&
    
    
    34UVEJPͬͯͳΜͩʁ 1SPKFDUͬͯͳΜͩ
    !XBLVUFLB
    https://qiita.com/wakuteka/items/9599bb0a8985d98928d7
    

    View Slide

23. File > New Project… > New Directory > New Project
    hogehoge
    

    View Slide

24. hogehoge
    ~/Documents/R
    hogehoge.Rproj
    .Rproj.user
    Project Root Directory
    Double click!!
    .RData
    .Rhistory
    Auto saved
    project information
    Open project
    New!!
    

    View Slide

25. ~/Documents/R
    project1
    project2
    project3
    project4
    

    View Slide

26. Input
    Output
    Today’s talk
    ?
    ?
    Table data Image data Other formats Summary
    Introduction
    

    View Slide

27. Table format data
    Table data Image data Other formats
    Introduction Summary
    

    View Slide

28. Table format data
    Comma-separated values (.csv)
    Tab-separated values (.tsv)
    Space-SV
    Semicolon-SV
    …
    Delimiter-separated values
    or
    Character-SV
    

    View Slide

29. 
    
    
    Import Table format data
    object
    assignment operator
    file path
    function
    

    View Slide

30. 
    
    
    Import Table format data
    object
    assignment operator
    file path
    function
    

    View Slide

31. ~/Documents/
    import.txt
    
    data
    
    
    
    
    
    or
    1. set working directory
    2. then use relative path
    Method②: use absolute path
    Method ①
    Import Table format data
    

    View Slide

32. #
    #
    Method②: use absolute path
    Method ①: setwd – relative path
    "
    #
    or
    

    View Slide

33. prj
    ~/Documents/R
    prj.Rproj
    import.txt
    Default working directory
    (project root)
    
    
    
    
    
    can use relative path
    without
    

    View Slide

34. 
    
    Import Table format data
    

    View Slide

35. 
    
    Import Table format data
    
    

    View Slide

36. ) !
    (
    ) ! ! ( ) ∖
    # " !( !! ! (( # ! (( # ! ((
    # " ( ! # " ( ( ( () # ( ( ) (
    # () # ( ! ! (( ( # ( (
    # " ( !! ! # ! # ( (
    () ) ! # ! # ( (
    "" #) !! ( ( ! (
    () # ( ( ) ( !) () # ( ( ) (
    ! # # # # # # # ) ,)
    ( !
    Import Table format data
    

    View Slide

37. ) !
    (
    ) ! ! ( ) ∖
    # " !( !! ! (( # ! (( # ! ((
    # " ( ! # " ( ( ( () # ( ( ) (
    # () # ( ! ! (( ( # ( (
    # " ( !! ! # ! # ( (
    () ) ! # ! # ( (
    "" #) !! ( ( ! (
    () # ( ( ) ( !) () # ( ( ) (
    ! # # # # # # # ) ,)
    ( !
    Import Table format data
    

    View Slide

38. 
    Usage
    read.table(file,
    skip = 0,
    header = FALSE,
    nrows = -1,
    row.names,
    fileEncoding = "")
    Import Table format data
    

    View Slide

39. cf. R-Tips: 40.
    
    http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html
    
    
    
    
    
    
    
    
    Import Table format data
    

    View Slide

40. "
    " " "
    "
    cf. R-Tips: 40.
    
    http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html
    Import Table format data
    

    View Slide

41. "
    " " "
    "
    cf. R-Tips: 40.
    
    http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html
    Import Table format data
    

    View Slide

42. "
    " " "
    "
    cf. R-Tips: 40.
    
    http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html
    Import Table format data
    

    View Slide

43. "
    " " "
    "
    cf. R-Tips: 40.
    
    http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html
    Import Table format data
    

    View Slide

44. "
    " " "
    "
    cf. R-Tips: 40. # $
    
    http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html
    Import Table format data
    # &_"# $
    # "
    # "/!
    # %"
    

    View Slide

45. "
    " " "
    "
    cf. R-Tips: 40. # $
    
    http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html
    Import Table format data
    # &_"# $
    # "
    # "/!
    # %"
    

    View Slide

46. 67
    1 @y__mattu
    https://github.com/ymattu/TokyoR67
    Import Table format data
    

    View Slide

47. 
    
    
    ∖
    
    Import Table format data
    Wrap
    

    View Slide

48. 
    
    Import Table format data
    
    Wrappers
    

    View Slide

49. 
    
    Import Table format data
    
    Wrappers
    

    View Slide

50. Package
    …
    {utils}
    Package
    {base}
    Package
    

    View Slide

51. Package
    Package Package
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    

    View Slide

52. packages
    
    

    View Slide

53. cf. http://rpkg.gepuro.net/
    cf. https://cran.r-project.org/web/packages/
    at 2018.02.20
    

    View Slide

54. Package
    Default pkgs
    Package
    Package
    Package
    CRAN Guithub
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    Package
    
    
    
    
    
    

    View Slide

55. 
    
    
    Import Table format data
    Default installed pkg
    (optional)
    Function
    
    
    Install REQUIRED
    

    View Slide

56. Import Table format data
    List of installed packages
    

    View Slide

57. Import Table format data
    
    
    
    
    Installation (from CRAN)
    
    
    
    Usage
    
    
    
    
    
    or
    

    View Slide

58. Import Table format data
    Global environment
    # Attach {data.table}
    

    View Slide

59. Import Table format data
    
    
    
    Fast!!!
    Flexible!!!
    Need installation
    Should specify: data.table =FALSE
    Automatic!!!
    Simple!!!
    

    View Slide

60. 
    
    
    
    
    
    
    object file path
    Export Table format data
    Wrapper
    

    View Slide

61. Input
    Output
    Today’s talk
    ?
    ?
    Table data Image data Other formats Summary
    Introduction
    

    View Slide

62. Image data
    Table data Image data Other formats Summary
    Introduction
    

    View Slide

63. Export image data
    ?
    

    View Slide

64. Export image data
    Use Graphic Device
    ready graphic device
    close graphic device
    draw graph(s)
    plotting functions
    High-level
    Low-level
    Interactive
    Basic Graphics in R
    http://bcb.dfci.harvard.edu/~aedin/courses/BiocDec2011/2.Plotting.pdf
    

    View Slide

65. Export image data
    Use Graphic Device
    ready
    close
    draw
    
    
    
    
    
    High-level
    plotting function
    

    View Slide

66. hogehoge
    ~/Documents/R
    hogehoge.Rproj
    hoge.png
    New!!
    

    View Slide

67. Export image data
    Graphic Devices in
    

    View Slide

68. Export image data
    Graphic Devices in
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    

    View Slide

69. 
    ready graphic device
    close graphic device
    draw graph(s)
    Image data processing
    Import & Export image
    
    
    
    processing
    

    View Slide

70. 
    Import image data
    
    
    
    
    

    View Slide

71. 
    Import image data
    
    
    
    
    

    View Slide

72. 
    Import image data
    
    
    
    
    
    
    
    
    
    
    

    View Slide

73. 
    Import image data
    
    
    
    
    
    
    
    
    
    
    

    View Slide

74. Import image data
    
    
    
    
    
    
    Export image data
    
    
    # not CRAN pkg
    
    
    # low googlability
    !
    

    View Slide

75. Import image data
    
    
    
    
    
    
    Export image data
    
    
    # not CRAN pkg
    
    
    # low googlability
    !
    

    View Slide

76. View Slide

77. View Slide

78. View Slide

79. Salvador Dalí
    1904-1989
    profile of time
    wikipedia
    

    View Slide

80. http://seekr.jp/
    

    View Slide

81. View Slide

82. View Slide

83. Input
    Output
    Today’s talk
    ?
    ?
    Table data Image data Other formats Summary
    Introduction
    

    View Slide

84. Table data Image data Other formats
    Other formats
    Summary
    Introduction
    

    View Slide

85. .xls or .xlsx
    
    
    GJMFQBUI
    TIFFUOBNFPS/P
    

    View Slide

86. .json
    
    
    
    Wrap
    Wrap
    

    View Slide

87. 
    .wav or .mp3
    
    
    
    
    

    View Slide

88. .sas or .dta or .sav
    SAS Stata SPSS
    
    
    
    
    
    
    
    
    
    

    View Slide

89. 
    Table data Image data Other formats Summary
    Introduction
    

    View Slide

90. Input
    Output
    Do NOT start from here
    Whatever
    …
    1
    2
    3
    

    View Slide

91. Data Import / Export
    ?
    ?
    

    View Slide

92. packages
    
    

    View Slide

93. Data Import / Export
    ?
    ?
    
    
    
    
    
    
    
    
    
    
    
    packages
    

    View Slide

94. ~/Documents/R
    project1
    project2
    project3
    project4
    

    View Slide

95. Before After
    BeginneR Session
    
    ?
    

    View Slide

96. !
    KMT©
    

    View Slide

97. KMT©
    

    View Slide