Question
a quick query I read the variable data from my csv file. There is a column with the label var that contains numbers. I execute
a quick query I read the variable data from my csv file. There is a column with the label "var" that contains numbers. I execute the command sd(data$var) I get Instead of my standard deviation, [1] NA. Could you please tell me what I am doing incorrectly?
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Professional Microsoft SQL Server 2014 Administration
Authors: Adam Jorgensen, Bradley Ball
1st Edition
111885926X, 9781118859261
