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meridian.analysis.optimizer.get_round_factor

Gets the number of integer digits to round off of budget.

meridian.analysis.optimizer.get_round_factor(
    budget: float, gtol: float
) -> int

Args
`budget`	Float number for total advertising budget.
`gtol`	Float indicating the acceptable relative error for the budget used in the grid setup. The budget will be rounded by `10n`, where `n` is the smallest int such that `(budget - rounded_budget) <= (budget gtol)`. `gtol` must be less than 1.

Returns
Integer number of digits to round budget to.

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Last updated 2025-09-05 UTC.

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