Statistics

can be created from a selected data set, with an example of the result obtained (see the tutorial on creating statistical graphs). Note that some of these graphs come with a window for entering processing parameters.

Selecting statistical data :

“X axis name”: name of the X axis (stored by Better Plot)

“Histogram”: parameters governing the construction of histograms

  • min: low value of the minimum interval
  • max: high value of the maximum interval
  • interval: range of intervals for each bar in the histogram

“KDE”: parameters for calculating the KDE curve

  • resolution: defines the number of points in the KDE curve for a histogram bar. Increasing the resolution refines the curve, but takes longer to calculate.
  • bandwith weighteration: used to modulate the flattening rate of the KDE curve (basic value is 1).

“Peak”: parameters controlling the search for peaks in KDE

  • weighted sum research: performs a weighting when searching for peaks. Can be useful for very similar populations.
  • manually enter peak: allows you to enter populations yourself (already defined via other software, see the definition section).

Distribution / normal distribution :

Options :

  • selection: 1ʳᵉ column = data, 2ᵉ columns (optional) = uncertainty (1 sigma)
  • uncertainty: taking account of uncertainties in the data set if available
  • interval: you can select the parameters for constructing the histogram. See help on entering statistical data.
  • statistical calculation :

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Weighted average :

Options :

  • selection: 1ʳᵉ column = data, 2ᵉ columns = uncertainty (1 sigma)
  • data sorting: data can be sorted in ascending order. See help on entering statistical data.
  • statistical calculation :

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Calculation of a KDE (kernel estimation) :

Options :

  • selection: 1ʳᵉ column = data, 2ᵉ columns (optional) = uncertainty (1 sigma)
  • uncertainty: taking account of uncertainties in the data set if available
  • interval: you can select the parameters for constructing the histogram. See help on entering statistical data.
  • statistical calculation :

Calculating or representing populations :

Options :

  • selection: 1ʳᵉ column = data, 2ᵉ columns (optional) = uncertainty (1 sigma)
  • uncertainty: taking account of uncertainties in the data set if available
  • interval: you can select the parameters for constructing the histogram. See help on entering statistical data.
  • population: population data can be entered (mean + 1 sigma) or estimated from the data set.
  • statistical calculation :

Representation of a radial / Galbraith plot :

Options :

  • selection: 1ʳᵉ column = data, 2ᵉ columns = uncertainty (1 sigma)
  • projection: it is possible to select between a linear or logarithmic projection of the radial axis
  • statistical calculation :