Elance Exams Answers PDF file

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Download PDF file of elance Zoho Creator Exam Answers
elance-zoho-creator-exam.pdf

What does the following R function output? xxx <- c(1, 1, 2, 2, 3, 3, NA, NA); yyy <- c(rep(0, 4), rep(1, 4)); cor(yyy, xxx)

An error message
NA
A correlation coefficient
R squared
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