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Q: tidyr is a reframing of _______ designed to accompany the tidy data framework.
    tidyr is a reframing of _______ designed to accompany the tidy data framework. (a) reshape5 (b) dplyr ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following function is used for loading flat files?
    Which of the following function is used for loading flat files? (a) read.data (b) read.sheet (c) ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the correct statement.
    Point out the correct statement. (a) XLConnect package has more options for manipulating access files (b) ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following function gives information about top level data?
    Which of the following function gives information about top level data? (a) head (b) tail (c) summary ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the wrong statement.
    Point out the wrong statement. (a) Variables with character values should be made less descriptive (b) ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following block information is odd man out in the below figure?
    Which of the following block information is odd man out in the below figure? (a) Scatterplots (b) 5 ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the correct statement.
    Point out the correct statement. (a) The choice of an appropriate metric will influence the shape of the ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following gives reviewers an important tool without dramatically increasing the burden?
    Which of the following gives reviewers an important tool without dramatically increasing the burden? (a) Quality ... answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following is required for not echoing the code?
    Which of the following is required for not echoing the code? (a) echo=TRUE (b) print=TRUE (c) ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following is the correct order of conversion?
    Which of the following is the correct order of conversion? (a) .md->.Rmd->.html (b) .Rmd-> ... programming questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following is required to implement a literate programming system?
    Which of the following is required to implement a literate programming system? (a) A programming language like ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the correct statement.
    Point out the correct statement. (a) Bayesian inference is the use of Bayesian probability representation of ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following function is associated with a continuous random variable?
    Which of the following function is associated with a continuous random variable? (a) pdf (b) pmv (c) ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following is example use of Poisson distribution?
    Which of the following is example use of Poisson distribution? (a) Analyzing contingency table data (b) ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following would be more appropriate to be replaced with question mark in the following figure?
    Which of the following would be more appropriate to be replaced with question mark in the following figure? (a ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following is one of the key data science skills?
    Which of the following is one of the key data science skills? (a) Statistics (b) Machine Learning (c) ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: How many principles of analytical graphs exist?
    How many principles of analytical graphs exist? (a) 3 (b) 4 (c) 6 (d) None of the ... programming questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the wrong statement.
    Point out the wrong statement. (a) Command is the CLI command which does a specific task (b) There is ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following analysis helps out to find the effect of variable change?
    Which of the following analysis helps out to find the effect of variable change? (a) Inferential (b) ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following function is used to read data off the webpages?
    Which of the following function is used to read data off the webpages? (a) read.web (b) read.Lines ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: httr package does not work well with facebook and twitter API.
    httr package does not work well with facebook and twitter API. (a) True (b) False The question was ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the correct statement.
    Point out the correct statement. (a) gsub is used for fixing character vectors (b) sub is used for ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the wrong statement.
    Point out the wrong statement. (a) File devices are useful for creating plots that can be included in ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following is a goal of literate statistical programming?
    Which of the following is a goal of literate statistical programming? (a) Combine explanatory text and data ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: __________ random variables are used to model rates.
    __________ random variables are used to model rates. (a) Empirical (b) Binomial (c) Poisson (d) All ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following value is the most common measure of “statistical significance”?
    Which of the following value is the most common measure of statistical significance ? (a) P (b) A (c ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the correct statement.
    Point out the correct statement. (a) The mean is a measure of central tendency of the data (b) ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Point out the correct statement.
    Point out the correct statement. (a) A standard error is needed to create a prediction interval (b) ... questions and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Collection of exchangeable binary outcomes for the same covariate data are called _______ outcomes.
    Collection of exchangeable binary outcomes for the same covariate data are called _______ outcomes. (a) random ( ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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Q: Which of the following can be used to generate balanced cross–validation groupings from a set of data?
    Which of the following can be used to generate balanced cross-validation groupings from a set of data? (a ... and answers pdf, Data Science interview questions for beginners...
asked Oct 28, 2021 in Education by JackTerrance
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