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Issue tracker

24-Mar 2026

n-dimensional plots

quantiles combobox is not showing options
plot is produced with update plot toolbar action, but should update automatically?
data looks spikier than I would expect (check later)
should be able to select field and plot individual clusters (all or selected clusters), i.e., each cluster should show up as different lines on the same plot

histogram

when data are clustered, should be able to plot histograms for individual clusters or all clusters on the same plot.

Need to get the Tools > Filtering dock working again.

Filtering allows selection of subsets of the data for plotting and/or analysis
Fitering is done in potentially 3 ways
- by using element/ratio or other calculated fields as ranges
- by selecting specific clusters
- by drawing polygons to include/exclude data

10-Apr 2026

Change sample doesn't work (combobox)

Cluster plotting:

Dimensional reduction after clustering doesn't work
Histograms won't plot individual clusters, or all clusters together

Dimensional Reduction:

The scatter only works if the user selects PCX and PCY spinboxes, not from the field comboboxes. I think that is just a fail to transfer functionality to the field comboboxes and spinboxes. Not sure the PCX and PCY spinboxes are needed anymore, seems like a duplication.
I think the user could set the number of basis vectors there for choosing the dimensional reduction. It is included in clustering (we could discuss which would be better)