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stats[describe]

  

percentile

  

Percentiles of a Statistical List

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

stats[describe, percentile[which]](data, gap)

describe[percentile[which]](data, gap)

Parameters

data

-

statistical list

which

-

percentile required

gap

-

(optional, default=false) the common size of gaps between classes.

Description

• 

Important: The stats package has been deprecated. Use the superseding package Statistics instead.

• 

The function percentile of the subpackage stats[describe, ...] finds the item in data that corresponds to the percentile specified by which. If the requested percentile falls between entries, it is interpolated.

• 

The percentiles are values that partition the data, once sorted, into 100 equal parts.

• 

Using percentiles, one can compute various measures of dispersion. For example, the 10-90 percentile range is the value of the 90th percentile minus that of the 10th percentile. Other similar dispersion measures constructed with the percentiles are the 20-80 and the 25-75 percentile range. For more information related to measures of dispersion, refer to describe[standarddeviation].

• 

Missing data are ignored.

• 

For information about the parameter gap, see describe[gaps].

• 

The data must be numeric.

• 

The command with(stats[describe],percentile) allows the use of the abbreviated form of this command.

Examples

Important: The stats package has been deprecated. Use the superseding package Statistics instead.

withstats:

dataseqi3+12,i=1..300:

describe[percentile[15]]data

312

(1)

somepercentilesseqdescribepercentile9i,i=1..9

somepercentiles:=describepercentile9,describepercentile18,describepercentile27,describepercentile36,describepercentile45,describepercentile54,describepercentile63,describepercentile72,describepercentile81

(2)

somepercentilesdata

192,372,552,732,912,1092,1272,1452,1632

(3)

The 10-90 percentile range is

range_1090x→describe[percentile[90]]xdescribe[percentile[10]]x:

range_1090data

80

(4)

See Also

describe(deprecated)[decile]

describe(deprecated)[gaps]

describe(deprecated)[median]

describe(deprecated)[quantile]

describe(deprecated)[quartile]

describe(deprecated)[range]

Statistics

Statistics[Percentile]

stats(deprecated)[data]

 


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