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CSE MCQs :: R Programming MCQs

R Programming MCQs - R Programming R – History, Overview
R Programming MCQs - R Programming Control Structures, Functions
R Programming MCQs - R Programming Data Storage, Formats, Operations
R Programming MCQs - R Programming Profiling,Simulation, Data Analysis
R Programming MCQs - R Programming Commands, Packages, Visualizing Data
R Programming MCQs - R Programming Nuts, Bolts, Getting Data In and Out
  1. Which of the following is Mac menu command ?
    2. A.
    browse.workspace
    B.
    browse.works
    C.
    browser.workspace
    D.
    a statistical transformation

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    Workspace

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  2. Which of the following truncates real x to integers ?
    3. A.
    as.numeric(x)
    B.
    as.integer(x)
    C.
    as.order(x)
    D.
    All of the mentioned

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  3. Which of the following may be used for linear regression ?
    4. A.
    X %*% Y
    B.
    solve(A)
    C.
    solve(A,B)
    D.
    All of the mentioned

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  4. ________ provides needed string operators in R.
    5. A.
    str
    B.
    forecast
    C.
    stringr
    D.
    All of the mentioned

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  5. ________ contains tools for Approximate Bayesian Computation (ABC).
    6. A.
    str
    B.
    abc
    C.
    zyz
    D.
    All of the mentioned

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  6. Which of the following package contains functions for reading and displaying satellite data for oceanographic applications with R ?
    7. A.
    saves
    B.
    satin
    C.
    saws
    D.
    All of the mentioned

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  7. Which of the following involves predicting a categorical response ?
    8. A.
    Regression
    B.
    Summarization
    C.
    Clustering
    D.
    Classification

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  8. Which of the following groups find the correlation matrix ?
    9. A.
    factor.model
    B.
    col.max(x)
    C.
    stem
    D.
    which.max(x)

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  9. Which of the following is lattice command for producing boxplots ?
    10. A.
    plot()
    B.
    bwplot()
    C.
    xyplot()
    D.
    All of the mentioned

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