docs: add panel data example to summary-index.Rd#229
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Add a grouped rolling mean example showing the Stata-to-R migration pattern for panel data. This is the most common use case for users migrating from Stata's rangestat/bysort + rolling operations. The example shows: - Panel data with two firms and irregular dates - 3-day rolling mean within each firm using slide_index_mean() - Date-aware windows that respect gaps in the series Related: r-lib#193
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Withdrawing this small automated PR while I consolidate an oversized batch of contributions and reduce maintainer review burden. Sorry for the noise, and thank you for maintaining the project. |
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Summary
Adds a grouped rolling mean example to
summary-index.Rdshowing the most common Stata-to-R migration pattern for panel data.Stata equivalent
What the example demonstrates
slide_index_mean()Why this matters
This is the #1 migration question from Stata users adopting slider. Issue #193 asked about grouped sliding window operations. None of the existing examples in
summary-index.Rdshow grouped/panel data usage.Validation
tools::checkRd('man/summary-index.Rd')passes (no output = no errors)R CMD checkpasses clean (Status: OK)Files changed