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ankane avatar

ankane/groupdate

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3,888 stele·238 fork-uri·Ruby·MIT·7 vizualizări

Groupdate

Groupdate este un instrument PostgreSQL pentru agregarea seriilor temporale și gruparea datelor. Oferă un set de funcții SQL pentru a grupa și agrega înregistrările temporale în bucket-uri discrete, cum ar fi zile, săptămâni sau luni, pentru a calcula sume și medii pentru rapoarte.

Proiectul se concentrează pe asigurarea unor linii temporale continue prin completarea golurilor din seriile temporale, care inserează valori implicite pentru perioadele în care nu există date. Include, de asemenea, un formator de date temporale care convertește cheile de tip dată-oră grupate în șiruri localizate sau modele de formatare personalizate.

Instrumentul acoperă operațiuni vaste cu date temporale, inclusiv filtrarea intervalelor de timp și extragerea componentelor calendaristice, cum ar fi gruparea datelor pe zi a săptămânii. Suportă, de asemenea, calcule conștiente de fusul orar pentru a alinia gruparea cu zilele calendaristice locale.

Features

  • Time-Series Aggregations - Provides SQL functions to calculate computational summaries like averages and sums over time-indexed data buckets.
  • Time Bucketing - Aggregates data into fixed time windows by slicing the timeline into discrete calendar buckets.
  • Generare de secvențe temporale - Generates complete date ranges to represent periods with no data in the final result set.
  • Temporal Range Filtering - Implements mechanisms to limit data aggregation to specific absolute or relative time windows.
  • Null Value Filling - Fills gaps in time series by including periods without data and assigning default values.
  • Time-Series Extensions - Provides a PostgreSQL extension for grouping and aggregating temporal data into discrete buckets.
  • SQL Date and Time Manipulation - Provides SQL functions for handling time-based bucketing, gap filling, and time zone calculations.
  • Time Series Imputation - Ensures continuous timelines by filling missing temporal periods with default values.
  • Calendar Component Analysis - Organizes time-based data by calendar components like day of the week to find patterns.
  • Dynamic Grouping - Adjusts time-based aggregation intervals at runtime based on user input.
  • Temporal Formatters - Converts grouped date-time keys into localized strings or custom formatting patterns.
  • Dynamic Granularity Resolution - Determines grouping granularity at execution time by mapping input variables against permitted time units.
  • Time Zone Conversions - Adjusts timestamps based on defined time zones to ensure alignment with local calendar days.
  • Temporal Component Extraction - Groups data by specific calendar parts, such as the day of the week or month.
  • Custom Date-Time Format Patterns - Transforms raw date objects into human-readable strings using customizable format patterns.
  • Dynamic Grouping Intervals - Determines grouping intervals at runtime using variables and a permit list to restrict allowed units.
  • Date and Time Formatting - Converts grouped temporal keys into human-readable strings or localized formats.
  • Gestionarea datelor - Manages temporal data.
  • Date and Time Processing - Group temporal data across various data structures and ORMs.

Istoric stele

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Întrebări frecvente

Ce face ankane/groupdate?

Groupdate este un instrument PostgreSQL pentru agregarea seriilor temporale și gruparea datelor. Oferă un set de funcții SQL pentru a grupa și agrega înregistrările temporale în bucket-uri discrete, cum ar fi zile, săptămâni sau luni, pentru a calcula sume și medii pentru rapoarte.

Care sunt principalele funcționalități ale ankane/groupdate?

Principalele funcționalități ale ankane/groupdate sunt: Time-Series Aggregations, Time Bucketing, Generare de secvențe temporale, Temporal Range Filtering, Null Value Filling, Time-Series Extensions, SQL Date and Time Manipulation, Time Series Imputation.

Care sunt câteva alternative open-source pentru ankane/groupdate?

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