Difference between revisions of "R: data"

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(Created page with " data() # Loading data(mtcars) # Print the first 6 rows head(mtcars, 6) # 1. Loading data("mtcars") # 2. Print head(mtcars) summary(mtcars) # Number of rows (obs...")
 
Line 14: Line 14:
 
  # Number of rows (observations)
 
  # Number of rows (observations)
 
  nrow(mtcars)
 
  nrow(mtcars)
 
 
  # Number of columns (variables)
 
  # Number of columns (variables)
 
  ncol(mtcars)
 
  ncol(mtcars)

Revision as of 10:06, 28 November 2019

data()
# Loading
data(mtcars)
# Print the first 6 rows
head(mtcars, 6)
# 1. Loading 
data("mtcars")
# 2. Print
head(mtcars)
summary(mtcars)
# Number of rows (observations)
nrow(mtcars)
# Number of columns (variables)
ncol(mtcars)