2 Repos
Retrieving values from structured data, arrays, or grids using row and column indices.
Distinct from Array Value Lookups: Closest candidates are about constant-time complexity or reference data joins; this is about index-based grid lookup.
Explore 2 awesome GitHub repositories matching data & databases · Coordinate-Based Data Retrieval. Refine with filters or upvote what's useful.
This project is a comprehensive pandas data analysis tutorial and instructional guide designed for learning data manipulation and analysis. It serves as a tabular data processing guide and a manual for time series analysis, providing a structured approach to cleaning, merging, and transforming datasets. The repository functions as a data feature engineering course, providing tutorials on constructing and selecting dataset features to improve machine learning model performance. It also includes a vectorized data operations guide for performing element-wise mathematical computations and matrix
Covers using specialized labels and coordinate systems to slice and filter records within structured tables.
IronCalc is an XLSX spreadsheet engine and formula evaluator designed to compute numerical expressions and manage workbook structures. It utilizes a logic engine compatible with industry standards to evaluate formulas and manage cell dependencies. The project provides a comprehensive suite of specialized toolkits, including a financial calculation library for bond pricing and net present value, and an engineering math toolkit for complex number arithmetic and Bessel functions. It also features a web-based spreadsheet interface for creating and formatting workbooks. The engine covers a broad
Retrieves a value from a database or array constant based on a row and column index.