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Data Analysis
Calculate precision and recall from true/false positive and negative counts.
Open Prec/RecallData Analysis
Calculate standard error of the mean from std dev and sample size.
Open Std ErrorYour specific task is calculate precision and recall from true/false positive and negative counts. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate standard error of the mean from std dev and sample size. 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. Prec/Recall focuses on calculate precision and recall from true/false positive and negative counts; Std Error focuses on calculate standard error of the mean from std dev and sample size. 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 Prec/Recall and Std Error work without signup. We only ask for an email if you decide to subscribe to a paid plan.