. . . . . . . . let's you perform SQL queries on your R data frames.
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R Programming · all questionsData Visualization with ggplot2
Data Visualization with ggplot2
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
172
Questions
4/9
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. . . . . . . . splits a data frame and results an array (hence the da). Hopefully you're getting the idea here.
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. . . . . . . . makes it incredibly easy to fit time series models like ARIMA, ARMA, AR, Exponential Smoothing, etc.
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. . . . . . . . provides needed string operators in R.
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Which of the following syntax is used to install forecast package?
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Which of the following is similar to Moment.js?
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Which of the following is a library for statistical quality control?
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. . . . . . . . specializes in converting data from wide to long format.
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. . . . . . . . is used to convert wide data to long data.
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. . . . . . . . is used to view all packages installed.
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. . . . . . . . is used to get library location in R.
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. . . . . . . . is used to view packages currently loaded.
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. . . . . . . . contains tools for Approximate Bayesian Computation (ABC).
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Which of the following package combine multi-dimensional arrays?
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Which of the following contains functions for processing uniaxial minute-to-minute accelerometer data?
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. . . . . . . . is used for selecting regression transformations.
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Which of the following is an R package for the exploratory analysis of genetic and genomic data?
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. . . . . . . . specializes in functions for analytical Customer Relationship Management.
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. . . . . . . . searches for significant clusters in genetic data.
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. . . . . . . . Uses Grieg-Smith method on 2 dimensional spatial data.
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