Free research tools · Page 3

Follow-up visit window audit

Assign synthetic elapsed study days to prespecified visit windows and flag ambiguous matches.

Flag reports linked to multiple studies and studies described across several reports.

Separate reviewer disagreement, pending decisions and concordant exclusions.

Check whether a search retrieves a prespecified set of known eligible records.

Find removed fields, new fields and changes in declared field types across two schemas.

Calculate a plus-one tail probability and check the resolution of a random permutation test.

Project reliability under parallel-item assumptions and round a target length upward.

Compare event counts per exposure with an approximate log-Wald 95% interval.

Describe categorical distributions with Shannon entropy and effective category counts.

Compute a binary Brier score from groups sharing an identical predicted probability.

Calculate a two-sided 95% t interval from the mean and SD of within-pair differences.

Find integer event counts compatible with a stated percentage and half-up rounding.