An R Introduction to Statistics

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Correlation Coefficient

A tutorial on computing the correlation coefficient of two observation variables in statistics.

Covariance

A tutorial on computing the covariance of two observation variables in statistics.

Standard Deviation

A tutorial on computing the standard deviation of an observation variable in statistics.

Variance

A tutorial on computing the variance of an observation variable in statistics.

Box Plot

A tutorial on computing the box plot of an observation variable in statistics.

Interquartile Range

A tutorial on computing the interquartile range of an observation variable in statistics.

Range

A tutorial on computing the range of an observation variable in statistics.

Percentile

A tutorial on computing the percentiles of an observation variable in statistics.

Quartile

A tutorial on computing the quartiles of an observation variable in statistics.