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The Hosmer–Lemeshow test is a statistical test for goodness of fit and calibration for logistic regression models. It is used frequently in risk prediction models. The test assesses whether or not the observed event rates match expected event rates in subgroups of the model population.
Scientists estimate that several dozen asteroids in the 6–12 m (20–39 ft) size range fly by Earth at a distance closer than the moon every year, but only a fraction of these are actually detected. [1] [2] See also lists dedicated to specific years such as List of asteroid close approaches to Earth in 2023.
Specific modulus is a materials property consisting of the elastic modulus per mass density of a material. It is also known as the stiffness to weight ratio or specific stiffness.
The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all planets that are larger than 1.6 times the size of Jupiter.Some well-known planets that are smaller than 1.6 R J (17.93 R 🜨 or 114 387.2 km) have been included for the sake of comparison.
UN: Estimate of life expectancy for various ages in 2023; Locations Life expectancy for population in general Life expectancy for male Life expectancy for female Sex gap; at birth bonus 0→15 at 15 bonus 15→65 at 65 bonus 65→80 at 80 at birth at 15 at 65 at 80 at birth at 15 at 65 at 80 at birth at 15 at 65 at 80 Hong Kong: 85.51: 0.21: 70 ...
Name Mass (M J) Radius (R J) Period (days) Semi-major axis () Temp. ()Discovery method Distance () Host star mass (M ☉) Host star temp. (K) Remarks 20 Leonis Minoris b: 0.02882 +0.00173
By one estimate, in 2024 China's population stood at about 1.408 billion, down from the 1.412 billion recorded in the 2020 census. [8] According to the 2020 census, 91.11% of the population was Han Chinese, and 8.89% were minorities. China's population growth rate is −0.15%, ranking 159th in the world.
Following the accident, the IAEA halved its estimate of additional nuclear generating capacity to be built by 2035. [114] Protest against nuclear power in Cologne, Germany, on 26 March 2011 [115] In the aftermath, Germany accelerated plans to close its nuclear power reactors and decided to phase out the rest by 2022. [116]