Add `plot_waterfall` helper for dataframe-based waterfall charts - #93

Draft

xadupre with Copilot wants to merge 11 commits into

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copilot/implement-waterfall-graph-function

Commits on Apr 13, 2026

Initial plan
Copilot
authored
047dbfd
Add waterfall chart helper and focused tests

Copilot
and
xadupre
authored
0d5d398
Add extra validation tests for waterfall helper

Copilot
and
xadupre
authored
eb76c60
Refine waterfall validation and test assertions

Copilot
and
xadupre
authored
f34b7a6
Polish waterfall implementation per review

Copilot
and
xadupre
authored
f79dc95
Add non-numeric input test for waterfall helper

Copilot
and
xadupre
authored
bbdac40
Remove try/except from waterfall numeric conversion

Copilot
and
xadupre
authored
90a5382
Add concrete documentation example for plot_waterfall

Copilot
and
xadupre
authored
ac74fce
Polish waterfall doc example wording

Copilot
and
xadupre
authored
c22383e

Commits on Apr 15, 2026