code wiki / _hdl_build / nx_ppmi_svd_test.nx

nx_ppmi_svd_test.nx

buildroot/runtime/_hdl_build/nx_ppmi_svd_test.nx

4533 B61 linesdepth 5pulls 5 transitivereach 0 importersview sourcekind gate/prooftopic ppmi

docs dependencies structs consts functions

about

nx_ppmi_svd_test.nx -- PPMI fixes raw co-occurrence's frequent-term pollution. Corpus where "legal" is in EVERY doc (frequent, uninformative) and co-occurs with "settlement" only at chance: doc0 "settlement compensation legal" doc1 "settlement compensation legal" doc2 "claim legal" doc3 "hearing legal" Query "settlement": RAW co-occurrence falsely credits doc2/doc3 (they share the frequent "legal"); PPMI scores them 0 (legal co-occurs at chance -> PMI 0) while keeping doc0 high (compensation is a genuine association). Triangulated: PPMI(settlement,compensation) ~ ln(2) = 693147 micro. Exit 0 on 6/6. license_tier: ORIGINAL

dependencies 3 imports · 0 importers

imports: nx_ppmi_svd.nxnx_research_extract.nxnx_syscalls.nx

imported by: nobody (leaf or entry point)

call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown

structs

none

consts

none

functions

14	func qt_puts(s: *u8) -> i64 { var n: i64 = 0; while s[n] != (0 as u8) { n = n + 1 } sys_write(1, s, n); return 0 } called by 1: main calls 1: sys_write
15	func qt_num(v: i64) -> i64 { let bb: u8 = sys_mmap(28); var m: i64=v; if m<0 {m=0-m; sys_write(1,"-" as u8,1)}; let t: *u8 = sys_mmap(28); var k: i64=0; if m==0 {t[0]=48;k=1}; while m>0 {t[k]=48+(m%10); m=m/10; k=k+1}; var i: i64=0; while i<k {bb[i]=t[k-1-i]; i=i+1}; sys_write(1, bb, k); return 0 } called by 1: main calls 2: sys_mmap sys_write
17	func main() -> i64 calls 9: qt_puts sys_mmap re_strlen ps_build_qvec ps_build_raw_qvec ps_score+3