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Data Analysis
Calculate chi-square statistic from observed and expected values.
Open Chi-SquareData Analysis
Generate confusion matrix and derived metrics from classification results.
Open Conf MatrixYour specific task is calculate chi-square statistic from observed and expected values. Open the page, drop your input, get the result — typically under a second.
Your goal is generate confusion matrix and derived metrics from classification results. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Chi-Square focuses on calculate chi-square statistic from observed and expected values; Conf Matrix focuses on generate confusion matrix and derived metrics from classification results. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Chi-Square and Conf Matrix work without signup. We only ask for an email if you decide to subscribe to a paid plan.