Data Analysis

Decode a Parquet thrift footer and quantify predicate-pushdown pruning: zone-map min/max, split-block bloom filters (XXH64), dictionary ratios and encodings, with per-row-group prune-savings estimates for example WHERE clauses.

Data Analysis

Friedman and Iman-Davenport tests with exact p-values, average ranks, the Nemenyi critical difference and the classic CD diagram with cliques — plus an optional Bonferroni-Dunn overlay against a control model.

Data Processing

Extract tables from PDFs with OpenDataLoader and export them as structured JSON, flat CSV, or HTML tables

Data Processing

Remove items that match a predicate using lodash _.remove

Data Analysis

Advanced regression analysis tool for performing linear regression analysis, calculating regression statistics, and making predictions. Perfect for statistical modeling, trend analysis, forecasting, and understanding relationships between variables. Features: - Simple linear regression (y = mx + b) - Multiple linear regression support - Regression coefficients calculation - Statistical significance testing - R-squared and adjusted R-squared - Residual analysis and diagnostics - Prediction intervals and confidence intervals - Outlier detection in regression - Model validation metrics - Visual regression diagnostics - Data transformation support Common Use Cases: - Sales forecasting and trend analysis - Financial modeling and risk assessment - Scientific research and hypothesis testing - Quality control and process optimization - Marketing analytics and ROI analysis - Medical and biological research

Data Processing

Remove specific values from an array using lodash _.pull

Data Processing

Scan text/logs for potential PII (Personally Identifiable Information) and annotate positions and types for redaction and compliance checking

Data Analysis

Detect outliers in numerical data using various statistical methods including IQR, Z-score, and modified Z-score

Data Analysis

Generate interactive pivot tables from CSV/JSON data with customizable row, column, and value field configurations

Data Processing

Paste multiple number combinations and find which numbers repeat across the whole set, with occurrence counts and group positions.

Data Processing

Get the item at a specific index using lodash _.nth

Data Analysis

Analyze and count numbers within specified ranges or intervals