🧠 MindStat

❓ User Guide

Everything you need to get started with MindStat Suite and make full use of its features

🚀 Quick Start

Start your first analysis in under two minutes by following these steps:

  1. 1
    Open mindstat.pages.dev in your browser — all features including WebR and the AI Advisor are available instantly.
  2. 2
    Click "Data Entry" on the main page, or import a CSV / Excel file directly via the import button.
  3. 3
    Select the appropriate module from the sidebar (General Statistics, Biostatistics, Econometrics…), then choose the desired test.
  4. 4
    Select variables from the dropdowns, adjust options, then press ▶ Analyze or use Ctrl+Enter.
  5. 5
    Read the detailed results in the output panel, and use the AI Advisor for expert interpretation and APA 7 write-up.

📂 Import Data

Supported Formats

CSV
Any .csv file with UTF-8 encoding; comma or semicolon delimiter.
Excel
.xlsx files via SheetJS; the first sheet is read automatically.
Manual Entry
Enter data directly into the table, or paste from Excel.

Data Formatting Rules

  • The first row must contain column names (variable headers)
  • International numeral formats are supported and converted automatically
  • Empty cells are treated as missing values (NA)
  • Avoid merged cells and descriptive header rows in Excel

Variable Types

You can set each variable's type after import:

🔢 Metric — Continuous 🏷️ Nominal — Categorical 📊 Ordinal — Ordered
💡 Setting the variable type affects the tests available in dropdowns — categorical variables automatically enable Chi-square and Mann-Whitney tests.

▶️ Running Analyses

Once data is loaded you can run any of the 80+ available analyses:

  • Select the module from the sidebar (e.g., Biostatistics)
  • Choose the test from the submenu (e.g., Kaplan-Meier curve)
  • Select variables from the dropdowns (time variable, event variable…)
  • Press ▶ Analyze or press Ctrl+Enter
  • Results appear instantly: tables, interactive charts, and statistical interpretation

Exporting Results

📄 PDF
Full report with results and charts via html2pdf
📝 Word
Editable .docx document via docx.js
📊 Excel
Data tables and results as .xlsx
📋 CSV
Export data or results as plain text
✅ All charts are interactive — you can pan, zoom, and export the image directly from Plotly's built-in menu.

🟢 Verify Results with WebR

MindStat provides a second verification layer via the real R engine (WebAssembly) to confirm calculation accuracy:

  • Look for the green R ✓ button next to any analysis result
  • Click it to recompute using the R engine via WebR 0.4
  • R results are displayed alongside JavaScript results for direct comparison
⚠️ WebR requires an internet connection for the first download (~20 MB). After that it runs locally for the current session.

Tests Supported via WebR

ANOVA
One-way, two-way, with Post-hoc tests
Regression
Linear, logistic, multiple
Time Series
ARIMA, unit root tests
Spatial Statistics
Moran's I, spatial cluster analysis

🤖 AI Advisor

The AI Advisor provides instant expert interpretation of statistical results, powered by a model trained on statistical techniques:

⚠️ The AI Advisor is available directly on the hosted version — no setup required.

How to Use It

  • Click the 🤖 advisor icon in the toolbar or next to analysis results
  • Type your question freely — e.g., "What does this result mean? How do I write it in APA 7 format?"
  • Or choose from the quick suggestions displayed automatically
  • The current results context is automatically sent with your question

Advisor Capabilities

Interpret Results
Plain-language explanation of p-values, correlation coefficients, and statistical indicators
APA 7 Write-up
Generates publication-ready result text in the correct academic format
Suggest Tests
Recommends the most appropriate test based on your data type and research question
Discuss Assumptions
Explains test assumptions and checks whether they are met in your data

⌨️ Keyboard Shortcuts

Ctrl + Enter
Run the current analysis
Ctrl + Z
Undo the last data change
Ctrl + Y
Redo
Ctrl + Shift + Z
Redo — alternative to Ctrl+Y
Esc
Close the popup window or dialog
💡 Shortcuts only work when focus is not inside a text field. Click outside input fields first if they are unresponsive.

💬 FAQ

Does the app save data automatically?
Yes, MindStat automatically saves your data to localStorage on every change. Data is restored when you reopen the app. There is no manual save button — saving happens continuously in the background.
Does the app work offline?
Yes, mostly — all JavaScript analyses and charts work completely offline. What requires internet: WebR (first download only) and the AI Advisor (AI model).
Are all features available on the hosted version?
Yes — all features are fully available on the Cloudflare Pages hosted version, including WebR and the AI Advisor. No installation required.
How do I export my results?
From the "Export" button in the results panel you can choose: CSV (data tables), Excel (.xlsx), PDF (full report), or Word (.docx editable).
How do I use the AI Advisor?
The AI Advisor is built-in and ready to use — no setup required. Simply run any statistical test, then click the AI Interpret button to get an instant, expert-level interpretation of your results.
Can I use the app on mobile?
Yes, the design is responsive and works on tablets and phones. However, for the best experience and entering large datasets, using a desktop computer is recommended.