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Read the R help file for library(). Fill in the blanks with the function of each argument using the information under ‘usage’ and ‘arguments’ to better understand the different parts needed to run library(). Looking at the blue arrows, what do these lines of code indicate? Looking at the green arrows, what do these lines of code indicate?

A. LibraryCLmerfest) Loading required package: Matrix Loading required package: lme4 B. Attaching package: merTest The following object is masked from package: 1me4: lmer The following object is masked from package: stats step C.

math   Statistics-And-Probability   
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Answer #1

A is the name of a package, given as a name or literal character string, or a character string, depending on whether character.only is FALSE (default) or TRUE.

B-

this means for loading lmerTest, package Matrix and lme4 are required too

C - The message means that both the packages have functions with the same names. In this particular case

lmer is in both packages lme4 and lmerTest

step is in both packages stats and lmertest

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