📂 Load Your Data
Upload a CSV, paste data, or explore one of 12 built-in datasets. First row = column headers.
Analysing your data...
📖 About This Tool Full Feature List
📊 Analysis Features
- Descriptive Statistics — Mean, median, mode, SD, variance, IQR, skewness, kurtosis, CV, SE, CI
- Distribution Histograms — Adjustable bin count (8/12/16/20), all numeric columns
- Scatter Plot — XY analysis with Pearson regression line, r, R², colour grouping
- Box Plots — Five-number summary visualisation for multiple columns
- Correlation Matrix — Full Pearson r heatmap + ranked correlation table
- Hypothesis Testing — One-sample t-test (all directions) + Chi-square goodness of fit
- Group Analysis — Group by any categorical column, aggregate by mean/median/sum/count
- Outlier Detection — IQR fence + Z-score method, shows exact values
- Q-Q Plot — Normality assessment with quantile-quantile plot
- Percentile Finder — Find value at any percentile, full percentile table
- Frequency Distribution — Table + bar chart for any column
- Data View — Preview and filter your data rows
🎲 Built-in Sample Datasets
- Student Performance — 15 students, 6 subjects, age, study hours
- Health & BMI — 15 patients, vitals, cholesterol, blood sugar
- Sales Data — 12 months, revenue, units, marketing spend
- Survey Results — 15 respondents, Likert scale ratings
- Iris Flowers — Classic 150-row ML dataset, 4 measurements + species
- World Countries — GDP, population, area, HDI by region
- Weather & Climate — Monthly temperature, rainfall, humidity
- Employee HR — Salary, experience, department, performance
- E-Commerce — Orders, revenue, items, discount, rating
- NBA Players — Points, assists, rebounds, salary, age
- Nutrition Facts — Calories, protein, fat, carbs, fibre
- Stock Returns — Monthly returns, volatility, beta
🔒 Privacy
All analysis runs 100% in your browser. Your data is never sent to any server. Safe for confidential or sensitive datasets.
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Outlier DetectionIQR & Z-score methods
Normality TestJarque-Bera test calculator