|is a numerical vector. Which ONE of the following best describes what the R code below will calculate? sum(!is.na(y))
|is a numerical vector. Which ONE of the following best describes what the R code below will calculate? sum(!is.na(y))
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
The
sum(!is.na(y))
A logical vector of the same length as the vector y, which takes the value TRUE for values in y which are NOT missing and FALSE for values in y which ARE missing.
Replaces each value in y with TRUE if it is not missing and FALSE if it is missing
The number of non-missing values in the vector y.
The number of missing values in the vector y.
The propostion of non-missing values in the vector y.
![The vector y is a numerical vector. Which ONE of the following best describes
what the R code below will calculate?
sum ( !is.na(y))]
O A logical vector of the same length as the vector y, which takes the value TRUE for
values in y which are NOT missing and FALSE for values in y which ARE missing.
O Replaces each value in y with TRUE if it is not missing and FALSE if it is missing
O The number of non-missing values in the vector y.
The number of missing values in the vector y.
O The propostion of non-missing values in the vector y.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4893c46-a94c-4c81-a9fc-277ce07300a6%2Fef46b6ec-629b-4811-a668-f66420de5308%2Fs06ldl5_processed.png&w=3840&q=75)
Transcribed Image Text:The vector y is a numerical vector. Which ONE of the following best describes
what the R code below will calculate?
sum ( !is.na(y))]
O A logical vector of the same length as the vector y, which takes the value TRUE for
values in y which are NOT missing and FALSE for values in y which ARE missing.
O Replaces each value in y with TRUE if it is not missing and FALSE if it is missing
O The number of non-missing values in the vector y.
The number of missing values in the vector y.
O The propostion of non-missing values in the vector y.
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