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There are 2,570 functions in this library.

FirstQuartile ( valueList )

returns 1st quartile of a value list

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Daniele Raybaudi - Show more from this author
ACI
http://www.aci.it

Sample input:

0
2
3
5
6
8
9

Sample output:

2.5

Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Let ([
values =  LeftWords ( valueList ; Truncate ( ( ( WordCount ( valueList ) - 1) / 2 ) + 1 ; 0 ) ); 
count = WordCount ( values ) ;
odd =  MiddleWords ( values ; Truncate ( count / 2 ; 0 ) +1 ; 1 ); 
even = MiddleWords ( values ; Truncate ( count / 2 ; 0 ) ; 1 )
];
Case(
Mod ( count ; 2 ) ; odd ; (even + odd) / 2
)
)

Returns 1st quartile of a value list.
ValueList must be sorted in ascending order.

Comments

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