Distributions Help

spc logoSPC for Excel performs a normal probability plot to determine if you data is normally distributed.

SPC for Excel features data transformation (to transform data to a normal distribution) and distribution fitting.  The data transformation includes:

SPC for Excel fits the following distributions:

  • Exponential
  • Exponential – Two Parameter
  • Gamma
  • Gamma – Three Parameter
  • Largest Extreme Value
  • Logistic
  • LogLogistic
  • LogLogistic – Three Parameter
  • LogNormal
  • LogNormal – Three Parameter
  • Normal
  • Smallest Extreme Value
  • Weibull
  • Weibull – Three Parameter

The distributions are defined by one or more of four parameters:

  • Location
  • Shape 
  • Scale
  • Threshold

These features are accessed through the “Distributions” panel on the SPC for Excel ribbon.

The links below provide more information:

Leave a Reply

Your email address will not be published. Required fields are marked *