Histograms in Igor Pro

Histogram fills a destination wave whose scaling becomes the bin axis.

Function BuildHistogram(WAVE w)
    WaveStats/Q w
    Variable width = (V_max - V_min) / 50

    Make/O/N=50/D hist
    Histogram/B={V_min, width, 50}/Dest=hist w

    Variable mode = DimOffset(hist, 0) + DimDelta(hist, 0) * V_maxloc
    return mode
End

How it works

1. /B={start, width, count} sets the bins explicitly.
2. /Dest= names the output, which Igor scales for you.
3. The result is an ordinary wave, so everything else applies to it.

Keywords and builtins used here

• DimDelta
• DimOffset
• End
• Function
• Histogram
• Make
• Variable
• WAVE
• WaveStats
• return

The run, in numbers

Lines

10

Characters to type

229

Tokens

61

Three-star pace

80 tpm

At the three-star pace of 80 tokens a minute, this run takes about 46 seconds.

Type this snippet

Step 2 of 3 in Measuring, step 6 of 16 in Waves & analysis.

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Histograms in other languages

• Python