Difference between revisions of "Documentation/How Tos/Calc: NORMSDIST function"

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== NORMSDIST ==
 
== NORMSDIST ==
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<tt>'''NORMDIST(0; 0; 1; 1)'''</tt>
 
<tt>'''NORMDIST(0; 0; 1; 1)'''</tt>
 
: also returns 0.5.
 
: also returns 0.5.
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=== See also: ===
 
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[[Documentation/How_Tos/Calc: NORMDIST function|'''NORMDIST''']],
 
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[[Documentation/How_Tos/Calc: NORMSINV function|'''NORMSINV''']],
 
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[[Documentation/How_Tos/Calc: NORMINV function|'''NORMINV''']],
 
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[[Documentation/How_Tos/Calc: PHI function|'''PHI''']]
 
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[[Documentation/How_Tos/Calc: Statistical functions|'''Statistical functions''']]
 
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[[Documentation/How_Tos/Calc: Functions listed alphabetically|'''Functions listed alphabetically''']],
 
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[[Documentation/How_Tos/Calc: Functions listed by category|'''Functions listed by category''']]
 
  
 
=== Issues: ===
 
=== Issues: ===
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:<tt>NORMSDIST(x) = 0.5 * ERFC(-x/SQRT(2))</tt> for x &lt; &minus;2.
 
:<tt>NORMSDIST(x) = 0.5 * ERFC(-x/SQRT(2))</tt> for x &lt; &minus;2.
 
:The function [[Documentation/How_Tos/Calc: ERFC function|ERFC]] belongs to the category ''Add-in''.
 
:The function [[Documentation/How_Tos/Calc: ERFC function|ERFC]] belongs to the category ''Add-in''.
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{{SeeAlso|EN|
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* [[Documentation/How_Tos/Calc: NORMDIST function|NORMDIST]]
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* [[Documentation/How_Tos/Calc: NORMSINV function|NORMSINV]]
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* [[Documentation/How_Tos/Calc: NORMINV function|NORMINV]]
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* [[Documentation/How_Tos/Calc: PHI function|PHI]]
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* [[Documentation/How_Tos/Calc: Statistical functions|Statistical functions]]
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* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]]
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* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}}
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[[Category: Documentation/Reference/Calc/Statistical functions]]

Latest revision as of 14:12, 2 February 2024



NORMSDIST

Calculates values for the cumulative distribution function of a normal distribution.

Syntax:

NORMSDIST(x)

The standard normal distribution is a normal distribution with mean μ = 0 and standard deviation σ = 1.
NORMSDIST calculates the cumulative distribution function of the standard normal distribution.
It is equivalent to NORMDIST(x; 0; 1; 1).

Example:

NORMSDIST(0)

returns 0.5. The standard normal distribution curve is centred on 0, hence half of the curve is below 0.

NORMDIST(0; 0; 1; 1)

also returns 0.5.

Issues:

  • The forthcoming international standard ODFF regards this as a legacy function, preferring NORMDIST.
  • The accuracy is insufficient for x < −2. The error will hopefully be fixed in OOo3.2. You should use the equation
NORMSDIST(x) = 0.5 * ERFC(-x/SQRT(2)) for x < −2.
The function ERFC belongs to the category Add-in.


See Also
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