Analysis of Variance

ANOVA & MANOVA

Compare groups, model factorial and blocked designs, assess assumptions, explore post-hoc differences, and extend the analysis to multiple responses using pasted raw data or mathematically sufficient summary statistics.

Kruskal-Wallis Test

Compare multiple independent groups using ranks when a parametric one-way ANOVA is not appropriate.

Raw data

Raw-data layout

Both layouts are designed for direct copy/paste from Excel or Google Sheets.

Dunn post-hoc

Data

Paste directly from a spreadsheet. The table preview appears immediately and remains horizontally scrollable for wide datasets.

Use first row as variable names

When selected, variable and group names are preserved in result tables and chart labels.

Accepted paste format

Treatment Response — one observation per row.

Control Treatment A Treatment B — one group per column.

Variable labels when no header is supplied

Factor / treatment variable

Response variable

Confidence level (%)

95% confidence corresponds to α = 0.05.

∑

Ready for analysis

Paste your data, choose the appropriate design and options, then calculate. Results, diagnostics, tables and interactive plots will appear here.