egutierrez
a69d14d38e
feat(eda): capítulo TIMESERIES del AutomaticEDA (evolución + análisis de serie)
...
Capítulo nuevo build_timeseries(profile, ctx) -> Chapter|None del motor
AutomaticEDA. Cuando la tabla tiene columna de fecha/datetime, grafica la
evolución de cada columna numérica por periodo (valor agregado + conteo de filas)
y los paneles de descomposición STL y autocorrelación (ACF), con el análisis de
la serie: estacionariedad (ADF+KPSS), autocorrelación (Ljung-Box), fuerzas de
tendencia/estacionalidad (Hyndman) y la transformación sugerida (retornos o
diferencias) para evitar correlaciones espurias. Sin columna temporal devuelve
None. Consolida series OHLC casi idénticas en un único gráfico conservando el
análisis de cada columna.
La serie cruda llega por ctx['timeseries_raw'] (mismo patrón que modelos con
raw_numeric); las figuras son perezosas (Figure.make) y el paginador del núcleo
garantiza no-corte en PDF y PPTX. CHAPTER_VERSION 1.0.0.
Cubre los MUST del diseño (report 2043): MUST-9.1 (línea valor-vs-tiempo + conteo
por periodo), MUST-9.2 (paneles STL + ACF), MUST-9.3 (perfil datetime +
consolidación OHLC).
Funciones nuevas del registry (grupo eda), delegadas a fn-constructor, no inline:
- detect_time_column (pure): detecta la columna temporal y las numéricas
- profile_datetime (pure): rango/frecuencia/regularidad/huecos de la fecha
- resample_timeseries (pure): agrega la serie por periodo + conteo
- extract_timeseries_raw (impure): lee la serie cruda ordenada de DuckDB/PG
Verificación: 69 tests verdes (capítulo 9 + funciones 28 + núcleo/renderers);
golden real sobre seattle-weather (estacional) y aapl (OHLC) con PDF+PPTX sin
cortar nada (cols_cortadas=[]).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com >
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..
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