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

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

The deciles are values that divide a data set, once sorted, into 10 equal parts.

Missing data are ignored.

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

The data must be numeric.

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

$\mathrm{with}\left(\mathrm{stats}\right)\:$

$\mathrm{data}≔\left[\mathrm{seq}\left(5i\,i=1..30\right)\right]$

$\mathrm{data}≔\left[5\,10\,15\,20\,25\,30\,35\,40\,45\,50\,55\,60\,65\,70\,75\,80\,85\,90\,95\,100\,105\,110\,115\,120\,125\,130\,135\,140\,145\,150\right]$

$\mathrm{describe}\left[\mathrm{decile}\left[1\right]\right]\left(\mathrm{data}\right)$

$15$

$\mathrm{deciles}≔\left[\mathrm{seq}\left(\mathrm{describe}\left[\mathrm{decile}\left[i\right]\right]\,i=1..9\right)\right]\:$

$\mathrm{deciles}\left(\mathrm{data}\right)$

$\left[15\,30\,45\,60\,75\,90\,105\,120\,135\right]$