RosettaCodeData/Task/Stem-and-leaf-plot/HicEst/stem-and-leaf-plot.hicest

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REAL :: workspace(1000), base=16
DLG(CHeckbox=bitmap, NameEdit=base, DNum, MIn=1, MAx=16) ! 1 <= stem base <= 16
READ(ClipBoard, ItemS=nData) workspace ! get raw data
ALIAS(workspace,1, dataset,nData, stems,nData)
SORT(Vector=dataset, Sorted=dataset)
stems = (dataset - MOD(dataset,base)) / base
dataset = dataset - base*stems
max_stem = MAX(stems)
IF( bitmap ) AXIS()
printed = 0
DO stem = 0, max_stem
last = INDEX(stems, stem, 4) ! option 4: search backward
IF( last > printed ) THEN
nLeaves = last - printed
IF(bitmap) THEN
LINE(PenUp=1,W=8, x=0, y=stem, x=nLeaves, y=stem)
ELSE
ALIAS(dataset,printed+1, leaves,nLeaves)
WRITE(Format="i3, ':', 100Z2") stem, leaves
ENDIF
printed = printed + nLeaves
ELSE
WRITE(Format="i3, ':'") stem
ENDIF
ENDDO