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What does the R code z <- f[1:10, ] do?
What does the R code z <- f[1:10, ] do?
A . Assigns the first 10 rows of f to the vector z
B . Assigns the 1st 10 columns of the 1st row of f to z
C . Assigns a sequence of values from 1 to 10 to z
D . Assigns the 1st 10 columns to z
Answer: A
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