Difference between revisions of "Zipf Command"

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==CAS Syntax==
 
==CAS Syntax==
 
In [[CAS View]] only one syntax is allowed:
 
In [[CAS View]] only one syntax is allowed:
;Zipf[ <Number of Elements>, <Exponent> , <Variable Value v>, <Boolean Cumulative> ]:
+
;Zipf[ <Number of Elements>, <Exponent> , <Variable Value v>, <Boolean Cumulative> ]
 
:Let X be a Zipf random variable.
 
:Let X be a Zipf random variable.
 
:Returns P( X = ''v'') when ''Cumulative'' = false.   
 
:Returns P( X = ''v'') when ''Cumulative'' = false.   
 
:Returns P( X ≤ ''v'') when ''Cumulative'' = true.
 
:Returns P( X ≤ ''v'') when ''Cumulative'' = true.

Revision as of 13:37, 6 September 2011



Zipf[ <Number of Elements>, <Exponent> ]
Returns a bar graph of a Zipf distribution.
Parameters:
Number of Elements: number of elements whose rank we study
Exponent: exponent characterizing the distribution
Zipf[ <Number of Elements>, <Exponent> , <Boolean Cumulative> ]
Returns a bar graph of a Zipf distribution when Cumulative = false.
Returns a bar graph of a cumulative Pascal distribution when Cumulative = true.
First two parameters are same as above.
Zipf[ <Number of Elements>, <Exponent> , <Variable Value v>, <Boolean Cumulative> ]
Let X be a Zipf random variable.
Returns P( X = v) when Cumulative = false.
Returns P( X ≤ v) when Cumulative = true.
First two parameters are same as above.

CAS Syntax

In CAS View only one syntax is allowed:

Zipf[ <Number of Elements>, <Exponent> , <Variable Value v>, <Boolean Cumulative> ]
Let X be a Zipf random variable.
Returns P( X = v) when Cumulative = false.
Returns P( X ≤ v) when Cumulative = true.
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