Recent questions tagged Data

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Q: Which function is used for seeing currently active libraries?

Which function is used for seeing currently active libraries? (a) Curlib() (b) Currlib() (c) .libpaths( ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: In practice, Line of best fit or regression line is found when _____________

In practice, Line of best fit or regression line is found when _____________ (a) Sum of residuals (∑(Y ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: If Linear regression model perfectly first i.e., train error is zero, then _____________________

If Linear regression model perfectly first i.e., train error is zero, then _____________________ (a) Test error ... of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: Although it may seem overly simplistic, _______ is extremely useful both conceptually and practically.

Although it may seem overly simplistic, _______ is extremely useful both conceptually and practically. (a) Linear ... R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: In order to calculate confidence intervals and hypothesis tests, it is assumed that the errors are independent and normally distributed with mean zero and _______

In order to calculate confidence intervals and hypothesis tests, it is assumed that the errors are independent and ... R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: What do we do the curvilinear relationship in linear regression?

What do we do the curvilinear relationship in linear regression? (a) consider (b) ignore (c) may be ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: In matlab prtools how do I set continues labels?

I have a dataset with labels and datapoints, problem is that rather then a classification problem I want to ... quadratic estimation. Select the correct answer from above options...

asked Feb 3, 2022 in Education by JackTerrance

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Q: Drop data frame columns by name

I want to remove some questions from data frame, I know how to delete them individually using df$x...

asked Jan 23, 2022 in Education by JackTerrance

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Q: How do I replace NA values with zeros in an R dataframe?

How to replace the values of NA with zeros in some column and data frame I have? Select the correct answer from above options...

asked Jan 20, 2022 in Education by JackTerrance

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Q: People will normally think it as a normal/regular file and your secret message will pass on without any _______________

People will normally think it as a normal/regular file and your secret message will pass on without any ... for-Cyber Security:,Cyber Security-Jobs:,Cyber Security Applications...

asked Oct 31, 2021 in Education by JackTerrance