Recent questions tagged Data

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Q: The parameter β0 is termed as intercept term and the parameter β1 is termed as slope parameter. These parameters are usually called as _________

The parameter β0 is termed as intercept term and the parameter β1 is termed as slope parameter. These parameters ... of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: Which of the following d takes two columns and spreads them into multiple columns?

Which of the following d takes two columns and spreads them into multiple columns? (a) ggmissplot (b) printplot ... of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: _________ extract a subset of rows from a data frame based on logical conditions.

_________ extract a subset of rows from a data frame based on logical conditions. (a) rename (b) filter ( ... Analysis of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: Which of the following finds row sums for each level of a grouping variable?

Which of the following finds row sums for each level of a grouping variable? (a) rowSums (x, na.rm = ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: _________ uniforms and customizes plots of packages ggplot2, graphics and lattice.

_________ uniforms and customizes plots of packages ggplot2, graphics and lattice. (a) uniCox (b) uniPlot (c) ... of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: Which of the following is lattice command for producing a scatterplot?

Which of the following is lattice command for producing a scatterplot? (a) plot() (b) lm() (c) xyplot( ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: Which of the following determine the least-squares regression line?

Which of the following determine the least-squares regression line? (a) histo() (b) lm (c) barlm() (d ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: Function used for linear regression in R is __________

Function used for linear regression in R is __________ (a) lm(formula, data) (b) lr(formula, data) (c) ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: Predicting y for a value of x that’s outside the range of values we actually saw for x in the original data is called ___________

Predicting y for a value of x that's outside the range of values we actually saw for x in the original ... Regression of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance

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Q: The sum of squares of the difference between the observations and the line in the horizontal direction in the scatter diagram can be minimized to obtain the estimates is generally called?

The sum of squares of the difference between the observations and the line in the horizontal direction in the ... of R Programming Select the correct answer from above options...

asked Feb 9, 2022 in Education by JackTerrance