#13 · Mers aleator

Cumulative Sums (Cusum)

Masoara cat de departe ajunge mersul aleator al sumelor partiale de +/-1.

Intrare

n biti, transformati in +/-1.

Statistica

z = max |suma partiala|; p (inainte si inapoi) prin CDF normala.

Decizie

p < alpha => deriva sistematica, nealeator.

Minim recomandat

100 biti

Ruleaza

alpha100 biti

API

curl -s https://rngtests.danielwagner.ro/api/run/cusum \
  -H 'Content-Type: application/json' \
  -d '{"bits":"1100100100001111110110101010001000100001011010001100001000110100110001001100011001100010100010111000"}'