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However, log-ratios are often used for analysis and visualization of fold changes. The logarithm to base 2 is most commonly used, [ 8 ] [ 9 ] as it is easy to interpret, e.g. a doubling in the original scaling is equal to a log 2 fold change of 1, a quadrupling is equal to a log 2 fold change of 2 and so on.
The identity log(b x) = x ⋅ log b holds whenever b is a positive real number and x is a real number. But for the principal branch of the complex logarithm one has log ( ( − i ) 2 ) = log ( − 1 ) = i π ≠ 2 log ( − i ) = 2 log ( e − i π / 2 ) = 2 − i π 2 = − i π {\displaystyle \log((-i)^{2})=\log(-1)=i\pi \neq ...
The first lists show the most recent year where there is published total fertility rate (TFR) data ranked by sovereign states and dependencies, and are ordered by organization type – intergovernmental, governmental, or non-governmental organization that searched, organized, and published the data.
This is a list of countries by external debt: it is the total public and private debt owed to nonresidents repayable in internationally accepted currencies, goods or services, where the public debt is the money or credit owed by any level of government, from central to local, and the private debt the money or credit owed by private households or private corporations based on the country under ...
Presidential elections were held in the United States on November 5, 2024. [a] The Republican Party's ticket—Donald Trump, who was the 45th president of the United States from 2017 to 2021, and JD Vance, the junior U.S. senator from Ohio—defeated the Democratic Party's ticket—Kamala Harris, the incumbent vice president, and Tim Walz, the 41st governor of Minnesota.
9.287 = 18.574 / 2 = 2.51 × 3.7. The additional equivalent forms above assume that the constants 3.7 and 2.51 in the formula at the top of this section are exact.
Map by color of age at first marriage. This is a list of countries by age at first marriage.The list is current from contemporary surveys. It does not treat the topic in history.
Estimation of the World Bank Group for 2022. [2] [3] [4] The data is filtered according to the list of countries in Africa.The values in the World Bank Group tables are rounded.