The Annals of Statistics, Vol. 48, No. 3 (June 2020), pp. 1304-1328 (25 pages) We propose a two-sample test for high-dimensional means that requires neither distributional nor correlational ...
Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.
A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.