Merit America

R quartiles, quantiles, IQR (interquartile range)

- R aggregates
- R mean, median, mode
- R variance, SD (standard deviation)
- R joining tables
- R quartiles, quantiles, IQR (interquartile range)

r cheat sheet [agg].pdf

r cheat sheet [join tables].pdf

r cheat sheet [mean median mode].pdf

r cheat sheet [quartiles quantiles iqr].pdf

r cheat sheet [variance sd].pdf

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