Data Visualization With Ggplot2 - Study Mode

[#101] Which of the following produces the variance covariance matrix?
Correct Answer

(D) var(x, na.rm=TRUE)

[#102] . . . . . . . . finds K best paths in a given graph.
Correct Answer

(A) kBestShortestPaths

[#103] . . . . . . . . is a package for parsing, applying, and manipulating data cleaning rules
Correct Answer

(B) editrules

[#104] . . . . . . . . performs class prediction based on microarray data and clinical parameters
Correct Answer

(B) M2

[#105] Which of the following package provide namespace management functions not yet present in base R?
Correct Answer

(B) namespace