Construct the data using the sample() function: # change n <- your id/100 n <- 12345/100 a <- sample(n, 30, replace = T) b <- sample(n, 30, replace = T) c <- sample(n, 30, replace = T) d <- sample(n, 30, replace = T) mydata <- data.frame(a,b,c,d) head(mydata)  Create a loop over the columns and create a histogram of the data in each column. • First, set up a 2 by 2 plotting space with par(mforw()) • Next, write a loop to create four histograms for a,b,c, and d.

Np Ms Office 365/Excel 2016 I Ntermed
1st Edition
ISBN:9781337508841
Author:Carey
Publisher:Carey
Chapter3: Performing Calculations With Formulas And Functions
Section: Chapter Questions
Problem 3.9CP
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Construct the data using the sample() function:

# change n <- your id/100
n <- 12345/100
a <- sample(n, 30, replace = T)
b <- sample(n, 30, replace = T)
c <- sample(n, 30, replace = T)
d <- sample(n, 30, replace = T)
mydata <- data.frame(a,b,c,d)
head(mydata) 

Create a loop over the columns and create a histogram of the data in each column.
• First, set up a 2 by 2 plotting space with par(mforw())
• Next, write a loop to create four histograms for a,b,c, and d.

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