Difference between revisions of "Documentation/How Tos/Calc: WEIBULL function"
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: returns approximately <tt>'''0.2295'''</tt>, the value of the cumulative distribution function with <tt>'''k'''</tt> = <tt>'''3'''</tt> and <tt>'''λ'''</tt> = <tt>'''4'''</tt> at <tt>'''x'''</tt> = <tt>'''2.5'''</tt>. | : returns approximately <tt>'''0.2295'''</tt>, the value of the cumulative distribution function with <tt>'''k'''</tt> = <tt>'''3'''</tt> and <tt>'''λ'''</tt> = <tt>'''4'''</tt> at <tt>'''x'''</tt> = <tt>'''2.5'''</tt>. | ||
| − | + | {{Documentation/SeeAlso| | |
| − | [[Documentation/How_Tos/Calc: EXPONDIST function| | + | * [[Documentation/How_Tos/Calc: EXPONDIST function|EXPONDIST]], |
| − | [[Documentation/How_Tos/Calc: NORMSDIST function| | + | * [[Documentation/How_Tos/Calc: NORMSDIST function|NORMSDIST]] |
| − | [[Documentation/How_Tos/Calc: Statistical functions| | + | * [[Documentation/How_Tos/Calc: Statistical functions|Statistical functions]] |
| − | [[Documentation/How_Tos/Calc: Functions listed alphabetically| | + | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] |
| − | [[Documentation/How_Tos/Calc: Functions listed by category| | + | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} |
Revision as of 14:27, 25 February 2009
WEIBULL
Calculates values for a Weibull distribution.
Syntax:
WEIBULL(x; k; λ; mode)
- The Weibull distribution is a continuous probability distribution, with parameters k > 0 (shape) and λ > 0 (scale).
- If mode is 1, WEIBULL calculates the probability density function of the Weibull distribution:
- If mode is 0, WEIBULL calculates the cumulative distribution function of the Weibull distribution:
Example:
WEIBULL(2.5; 3; 4; 1)
- returns approximately 0.2166, the value of the probability density function with k = 3 and λ = 4 at x = 2.5.
WEIBULL(2.5; 3; 4; 0)
- returns approximately 0.2295, the value of the cumulative distribution function with k = 3 and λ = 4 at x = 2.5.
