Dylan M. Taylor 79fe7b8eb6 Forecast Sheet: count hindcast rows against the work limit (#3199) ...

* Forecast Sheet: count hindcast rows against the work limit

MAX_WORK bounded history rows x forecast rows, but a Forecast Start
inside the history adds a hindcast row for every history point after
it, each holding the same ETS formulas that refit the model over the
history before the start. Those rows were not counted, so a start in
the middle of 10,000 rows of history built millions of uncharged
model fits per recalculation.

The forecast row cap is now computed from the rows the model is fit
to, after subtracting the hindcast rows; a start so early that the
hindcast alone passes the limit is refused, and the default number of
periods stays within the cap.

* address review: base the in-history forecast cap on the slots the fit range spans

* address review: document the hindcast-aware forecast work limit

* address review: document the fitted-row minimum in the forecast work limit

* address review: say the forecast start row counts toward the hindcast work limit

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..

examples

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src

Forecast Sheet: count hindcast rows against the work limit (#3199)

2026-11-11 04:22:54 -05:00

tests

XLS: formulas open as legacy formulas with Excel's implicit @ (#410) (#1367)

2026-11-10 15:05:02 +01:00

Cargo.toml

Equations: Insert › Equation with a LaTeX editor, Office Math in xlsx and equations in PDF (#471)

2026-11-02 15:45:36 +01:00