Research & Data Analysis Tools
Publication-grade statistical analysis, hypothesis testing, regression models, probability distributions, data cleaning, and interactive SVG scientific charts — 100% private in-browser client-side computation. All tools run 100% in your browser with zero server uploads and instant processing.
Scientific Data Cleaner & Normalizer
Clean, impute missing values, filter outliers, and standardize research datasets 100% client-side
CSV Dataset Structural & Statistical Analyzer
Profile CSV schemas, column data types, missing value percentages, and descriptive summaries
Scientific Data Visualizer & Chart Generator
Generate publication-ready Bar, Line, Area, and Donut SVG charts from research data
Descriptive & Summary Statistics Calculator
Compute 20+ descriptive statistics, central tendency, variance, SEM, skewness, and percentiles
Bivariate Correlation & Covariance Calculator
Calculate Pearson r, Spearman rho, R², sample covariance, and two-tailed p-values
OLS Linear Regression & ANOVA Calculator
Ordinary Least Squares regression, ANOVA table, standard error, residuals, and Y prediction
Scientific Sample Size Calculator (Cochran & FPC)
Compute statistical sample sizes using Cochran’s formula with Finite Population Correction
Confidence Interval Calculator (Means & Proportions)
Calculate exact Z and Student’s t confidence intervals for sample means and proportions
Scientific P-Value & Hypothesis Test Calculator
Calculate exact p-values for Z, t, Chi-Square, and F test statistics with directional tail shading
Probability Distribution Calculator (Continuous & Discrete)
Compute PDF, PMF, CDF, survival probabilities, and expected values across 6 distributions
Scientific Histogram Generator & Frequency Analyzer
Generate frequency histograms with Sturges, Scott, and Freedman-Diaconis binning algorithms
Interactive XY Scatter Plot & Trendline Studio
Generate bivariate scatter plots with OLS regression trendlines, R², and coordinate grids
Tukey Box-and-Whisker Plot Generator
Generate Tukey Box-and-Whisker plots with IQR fences, medians, and outlier points
Normal Distribution Bell Curve Explorer & Calculator
Explore Gaussian bell curves, Z-scores, Empirical Rule (68-95-99.7%), and tail areas
Probability Distribution Simulator & PMF/CDF Lab
Simulate Binomial, Poisson, and Exponential models with interactive PMF/PDF step charts
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