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【Quartile】
- inputs: QRank( numericsimple ), PriceValue( numericseries ), Len( numericsimple ) ;
- variables: var0( 0 ) ;
- var0 = IntPortion( QRank ) ;
- condition1 = var0 >= 0 and var0 <= 4 ;
- if condition1 then
- begin
- if var0 = 0 then
- Quartile = Percentile( 0, PriceValue, Len )
- else if var0 = 1 then
- Quartile = Percentile( .25, PriceValue, Len )
- else if var0 = 2 then
- Quartile = Percentile( .50, PriceValue, Len )
- else if var0 = 3 then
- Quartile = Percentile( .75, PriceValue, Len )
- else if var0 = 4 then
- Quartile = Percentile( 1, PriceValue, Len ) ;
- end
- else
- Quartile = -1 ;
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