Difference between revisions of "Documentation/How Tos/Calc: GAMMADIST function"
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=== Syntax: === | === Syntax: === | ||
| − | <tt>'''GAMMADIST(x; α; & | + | <tt>'''GAMMADIST(x; α; β; mode)'''</tt> |
| − | : The gamma distribution is a family of continuous probability distributions, with parameters <tt>'''α'''</tt> (shape) and <tt>'''& | + | : The gamma distribution is a family of continuous probability distributions, with parameters <tt>'''α'''</tt> (shape) and <tt>'''β'''</tt> (scale). |
: If mode is <tt>'''0'''</tt>, <tt>'''GAMMADIST'''</tt> calculates the probability density function of the gamma distribution: | : If mode is <tt>'''0'''</tt>, <tt>'''GAMMADIST'''</tt> calculates the probability density function of the gamma distribution: | ||
Revision as of 06:58, 27 September 2008
GAMMADIST
Calculates values for a gamma distribution.
Syntax:
GAMMADIST(x; α; β; mode)
- The gamma distribution is a family of continuous probability distributions, with parameters α (shape) and β (scale).
- If mode is 0, GAMMADIST calculates the probability density function of the gamma distribution:
- If mode is 1, GAMMADIST calculates the cumulative distribution function of the gamma distribution:
- x must be greater than or equal to 0.
Example:
GAMMADIST(2; 1; 1; 1)
- returns approximately 0.86.
See also:
Functions listed alphabetically, Functions listed by category
