[Autoloop] [Autoloop: build-tsb-pandas-typescript-migration]#120

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mrjf merged 37 commits into

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autoloop/build-tsb-pandas-typescript-migration-480c452af2b58478

Apr 20, 2026

Commits on Apr 12, 2026

Iteration 172: Add na_ops — isna/notna/ffill/bfill

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Iteration 174: Add pct_change for Series and DataFrame
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Iteration 193: Add idxmin/idxmax for Series and DataFrame

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Iteration 194: Add astype — dtype coercion for Series and DataFrame

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Iteration 195: Add replace — value substitution for Series and DataFrame

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Iteration 196: Add where/mask — conditional value selection for Series and DataFrame
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Iteration 197: Add diff/shift — discrete difference and value shifting for Series and DataFrame

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Iteration 199: Add duplicated/drop_duplicates and sample

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Iteration 203: Add clip_advanced and apply/map

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Iteration 204: Add cut/qcut — binning continuous data into intervals

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Iteration 205: Add Interval/IntervalIndex — pandas interval type and range

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Iteration 206: Add getDummies/fromDummies — one-hot encoding

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Iteration 208: Add crosstab — cross-tabulation of categorical factors

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Iteration 209: Add pivotTableFull — pivot_table with margins support

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Iteration 210: Add explode — DataFrame/Series list-cell expansion

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Iteration 212: Add factorize and wide_to_long

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Iteration 213: Add interpolate — fill NaN via linear/pad/bfill/nearest

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Iteration 214: Add selectDtypes — filter DataFrame columns by dtype

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Iteration 215: Add readExcel — XLSX file reading from scratch

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Iteration 216: Add jsonNormalize — flatten nested JSON to DataFrame
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Iteration 218: Add mode, skew, kurtosis

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Iteration 220: Add sem_var and nunique/any/all

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Iteration 221: Add stats/quantile.ts — quantileSeries and quantileDataFrame

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Restore: branch state from iteration 222 (57 features)
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Iteration 223: Add stats/nancumops.ts — nan-ignoring aggregate functions

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Iteration 225: Add stats/to_datetime.ts — convert scalars/arrays/Series to Date

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Iteration 229: Add stats/to_timedelta.ts — convert scalars/arrays/Series to Timedelta

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Iteration 230: Add stats/date_range.ts — pd.date_range() fixed-frequency Date sequences

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Commits on Apr 15, 2026

Commits on Apr 17, 2026

Commits on Apr 18, 2026

fix(lint): format src/stats/sample.ts to pass Biome formatting check

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