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Data & Analytics
Data & Analytics category
30 skills
Business Forecaster
Generate accurate time series forecasts from historical business data. Automatically detects trends and seasonality, selects optimal ARIMA/exponential smoothing models, and delivers confidence intervals with plain-language business insights.
Data Visualization Chart Recommender
Analyzes your data and goals to recommend the optimal chart type, explains why it works, and generates professional Python visualizations ready for presentations.
Smart Chart Recommender
Get intelligent chart type recommendations based on your data structure and visualization goals, plus publication-ready visualizations with matplotlib/seaborn.
APA-Formatted Results Table Generator for Thesis & Dissertation Writers
Generate dissertation-ready APA 7th edition statistical tables from raw output. Perfect for graduate students formatting their thesis Methods and Results chapters.
Confidence Interval Calculator & Interpreter
Calculate and interpret confidence intervals for means, proportions, and group differences with visualizations and plain-language explanations for business decisions.
Correlation Matrix Generator
Generate correlation matrices and annotated heatmaps from CSV datasets. Identifies strong correlations, flags multicollinearity issues, and produces professional visualizations for regression preparation.
Data Quality Validator
Validate CSV and Excel files before analysis. Detects missing values, duplicates, outliers, and format errors. Generates quality scores, severity-classified issues, and actionable remediation recommendations.
Trend Detector - Statistical Significance Analyzer
Detect statistically significant trends in time series data using Mann-Kendall tests, regression analysis, and change point detection. Replace gut-feel chart analysis with rigorous statistics.
Business Report Generator with Templates
Generate professional business reports from CSV/Excel data with automated calculations, visualizations, and reusable templates. Regenerate instantly each reporting period.
Comparison Reporter
Generate executive-ready MoM/QoQ/YoY period comparison reports with automated growth rate calculations, variance analysis, formatted tables, and visualizations to identify key business metric changes.
Correlation Matrix Explorer
Calculate correlation matrices, generate heatmap visualizations, detect multicollinearity, and identify significant variable relationships in datasets for exploratory analysis and pre-modeling checks.
Distribution Analyzer
Automated distribution analysis for numeric dataset variables with statistics, visualizations, and transformation recommendations.
Instant Insights - Conversational Data Analysis
Upload business data and ask questions in plain English to get instant insights, visualizations, and trend analysis without BI tools or SQL knowledge.
Regression Forecasting Assistant
Build validated regression models for business forecasting with automatic assumption checking, diagnostic plots, confidence intervals, and extrapolation warnings.
Smart File Merger
Merge CSV and Excel files intelligently with schema analysis, optimal join logic, and comprehensive quality reporting - no VLOOKUP or programming needed.
Statistical Assumption Checker & Diagnostic Guide
Educational guide for graduate statistics students learning to test and interpret parametric test assumptions including normality, homogeneity of variance, linearity, independence, and outliers with clear explanations.
Missing Data Pattern Analyzer
Analyze missing data patterns in research datasets and recommend appropriate handling strategies with statistical tests and implementation code.
Automated Dataset Profiler
Generate comprehensive data profile reports including statistics, correlations, missing data analysis, and quality insights. Works with files, inline data, or generates demo data.
Categorical Variable Profiler
Automated categorical variable analysis for datasets. Generates frequency tables, percentage breakdowns, bar chart visualizations, rare category identification, cross-tabulations between categorical pairs, and chi-square association tests.
Cohort Retention Analysis Builder
Build cohort retention analysis from user event data. Generate retention tables, visualizations, key metrics (D1, D7, D30), and actionable insights for product and growth teams.
Data Quality Checker
Automated data quality assessment across 5 dimensions with actionable fix recommendations
Data Type Validator & Fixer
Validate and fix data types in datasets - convert dates stored as strings, numbers with currency symbols, percentages, and booleans to proper types with error handling.
Dataset Explorer
Instantly profile CSV/Excel datasets to understand structure, data types, distributions, quality issues, and correlations. Generates comprehensive statistics, visualizations, and actionable insights.
EDA Report Generator
Generate comprehensive exploratory data analysis HTML reports with visualizations, statistics, and automated insights from CSV/Excel datasets.
Effect Size Calculator & Interpretation Guide
Calculate and interpret effect sizes (Cohen's d, eta-squared, odds ratios, correlations) with context-specific guidance. Distinguish statistical significance from practical importance and convert metrics for meta-analysis.