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DIFFERENCE OF INTERQUARTILE RANGEName:
That is, it is the difference betweeen the 75th and 25th percentiles of a variable. For the differeence of interquartile ranges, the interquartile range is computed for each of two samples then their difference is taken.
<SUBSET/EXCEPT/FOR qualification> where <y1> is the first response variable; <y2> is the first response variable; <par> is a parameter where the computed difference of the interquartile ranges is stored; and where the <SUBSET/EXCEPT/FOR qualification> is optional.
LET A = DIFFERENCE OF INTERQUARTILE RANGE Y1 Y2 SUBSET X > 1
SKIP 25 READ IRIS.DAT Y1 TO Y4 X . LET A = DIFFERENCE OF INTERQUARTILE RANGE Y1 Y2 TABULATE DIFFERENCE OF INTERQUARTILE RANGE Y1 Y2 X . XTIC OFFSET 0.2 0.2 X1LABEL GROUP ID Y1LABEL DIFFERENCE OF IQ RANGES CHAR X LINE BLANK DIFFERENCE OF INTERQUARTILE RANGE PLOT Y1 Y2 X CHAR X ALL LINE BLANK ALL BOOTSTRAP DIFFERENCE OF INTERQUARTILE RANGE PLOT Y1 Y2 XDataplot generated the following output. ******************************************** ** LET A = DIFFERENCE OF IQ RANGE Y1 Y2 ** ******************************************** THE COMPUTED VALUE OF THE CONSTANT A = 0.72499990E+00 *********************************************** ** TABULATE DIFFERENCE OF IQ RANGE Y1 Y2 X ** *********************************************** * Y1 AND Y2 X * DIFFERENCE OF INTERQUARTILE RA ********************************************** 1.00000 * -0.175001 2.00000 * 0.200000 3.00000 * 0.450000 GROUP-ID AND STATISTIC WRITTEN TO FILE DPST1F.DAT ![]()
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Date created: 03/27/2003 |