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Postpartum depression (PPD), also called perinatal depression, is a mood disorder which may be experienced by pregnant or postpartum individuals. [3] Symptoms include extreme sadness, low energy, anxiety, crying episodes, irritability, and changes in sleeping or eating patterns. [1]
Confidence intervals for sensitivity and specificity can be calculated, giving the range of values within which the correct value lies at a given confidence level (e.g., 95%). [ 26 ] Terminology in information retrieval
Boxplot (with an interquartile range) and a probability density function (pdf) of a Normal N(0,σ 2) Population. In descriptive statistics, the interquartile range (IQR) is a measure of statistical dispersion, which is the spread of the data. [1] The IQR may also be called the midspread, middle 50%, fourth spread, or H‑spread.
The first dictionary with entries documenting New Zealand English was probably the Heinemann New Zealand Dictionary published in 1979. [8] Edited by Harry Orsman (1928–2002), it is a 1,337-page book with information relating to the usage and pronunciation of terms that were widely accepted throughout the English-speaking world, and those ...
However, the earliest known book printed at regular size is the Diamond Sutra, made during the Tang dynasty (618–907), a 5.18 m (17.0 ft) long scroll, which bears the date AD 868. [16] Joseph Needham and Tsien Tsuen-hsuin write that the cutting and printing techniques used for the delicate calligraphy of the Diamond Sutra book are much more ...
Part of a series on Science General History Literature Method Philosophy Branches Formal Natural Physical Life Social Applied In society Communication Community Education Funding Policy Pseudoscience Scientist Science portal Outline Category Article indexes Glossaries The history of science covers the development of science from ancient times to the present. It encompasses all three major ...