Skip to content

planted-bugs: km-censored-as-death matched three sites in lib/stats.ts #64

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
alisman merged 1 commit into from
Oct 23, 2026
+3 −2
Merged

planted-bugs: km-censored-as-death matched three sites in lib/stats.ts #64

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 3 additions & 2 deletions scripts/check-mutants.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -46,8 +46,9 @@ interface Mutant {
const MUTANTS: Mutant[] = [
{ id: "km-censored-as-death", layer: "statistics", guard: "unit", file: "lib/stats.ts",
effect: "Survival curves count patients who were still alive at last follow-up as deaths, so every curve drops too fast.",
find: "while (i < clean.length && clean[i].t === t) { if (clean[i].event) d++; i++; }",
replace: "while (i < clean.length && clean[i].t === t) { d++; i++; }" },
// kaplanMeier's own tie loop: kmMedianCi and rmst repeat the line, then read the risk set as `n`
find: "while (i < clean.length && clean[i].t === t) { if (clean[i].event) d++; i++; }\n const atRisk = atRiskAt(t);",
replace: "while (i < clean.length && clean[i].t === t) { d++; i++; }\n const atRisk = atRiskAt(t);" },
{ id: "km-never-leave-risk-set", layer: "statistics", guard: "unit", file: "lib/stats.ts",
effect: "Patients stay in the at-risk group after they leave the study, so later deaths look rarer and curves sit too high.",
find: "while (xi < exits.length && exits[xi] < t) { exited++; xi++; }",
Expand Down
Loading