Biostatistics with R/Descriptive Statistics

< Biostatistics with R

Summary For Formular with REdit

Formula

Number

Name Formula Formula with R
2.3.1 Class interval width using Sturges’s Rule   Example
2.4.1 Mean of a population   Example
2.4.2 Skewness   Example
2.4.2 Mean of a sample   Example
2.5.1 Range   Example
2.5.2 Sample variance   Example
2.5.3 Population variance   Example
2.5.4 Standard deviation   Example
2.5.5 Coefficient of variation   Example
2.5.6 Quartile location in ordered array   Example
2.5.7 Interquartile range   Example
2.5.8 Kurtosis   Example
Symbol Key
  •  = coefficient of variation
  •   = Interquartile range
  •   = number of class intervals
  •   = population mean
  •   = population size
  •   = sample size
  •  =degrees of freedom
  •   = first quartile
  •  = second quartile = median
  •  = third quartile
  •   =range
  •   =standard deviation
  •  = sample variance
  •  = population variance
  •  =  data observation
  •  = largest data point
  •  =smallest data point
  •  = sample mean
  •  =class width
Example