Let the student took the online metric survey.
I then worked with the students from line 1-100 in the metric_v2.R
We went through looking for helps, object, $ and indexing, loops, parentheses
read.csv
table,
cleaning data
An error was found in the tb2$age calculation.
At the end of class, I asked the student to sign up the Coursera "R programming" course.
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