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Data Science / Datawetenskap - 141

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Say whether the following is an example of a classification task or a regression task:

Predict whether an object in space is an exoplanet or not, based on the object's method of discovery, orbit, inclination and mass.

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Say whether the following is an example of a classification task or a regression task:

Predict whether a wine is red, white or rose, based on the wine's alcohol %, pH and acidity.

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You have drawn a random sample of 10 numbers between 1 and 100, and saved this in an object named index. You also have a data set (named mydata) from which you would like to draw a random sample of 10 observations. Which of the following will NOT give the required result?

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Which of the following options can be used in a code chunk to prevent the code from appearing in the rendered document but still including the output of the code?

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Finding the most profitable customers is an example of an unsupervised learning task.

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What are the two main kinds of supervised learning?

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Which of the following is NOT a reason for using the set.seed() command before drawing a sample of data?

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Linear regression can be considered a parametric method.

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Which of the following statements is true about classification problems in statistical learning?

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