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1. Spectral line ratios: The analysis of line intensity ratios is an important tool to obtain information about laboratory and space plasmas. In emission spectroscopy, the intensity of spectral lines can provide various information about the plasma (or gas) condition. (Physics) [100%] 2023-10-07 [Spectroscopy] [Emission spectroscopy]...
2. Parity progression ratios: A parity progression ratios (PPR) is a measure commonly used in demography to study fertility. The PPR is simply the proportion of women with a certain number of children who go on to have another child. [100%] 2023-12-28 [Human pregnancy]
3. Likelihood ratios in diagnostic testing: In evidence-based medicine, likelihood ratios are used for assessing the value of performing a diagnostic test. They use the sensitivity and specificity of the test to determine whether a test result usefully changes the probability that a condition (such ... (Medicine) [77%] 2023-10-27 [Medical statistics] [Evidence-based medicine]...