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  2. Fraction of inspired oxygen - Wikipedia

    en.wikipedia.org/wiki/Fraction_of_Inspired_Oxygen

    Fraction of inspired oxygen (F I O 2), correctly denoted with a capital I, [1] is the molar or volumetric fraction of oxygen in the inhaled gas. Medical patients experiencing difficulty breathing are provided with oxygen-enriched air, which means a higher-than-atmospheric F I O 2.

  3. Usage share of operating systems - Wikipedia

    en.wikipedia.org/wiki/Usage_share_of_operating...

    According to Gartner, Android now boasts a global market share of 86.2 percent. Apple's iOS is a long way behind with a market share of just 12.9 percent. The rest may as well not even exist [..] These figures, which cover the second quarter of 2016, show that Android has actually increased its market share by 4 percent over the last year.

  4. Blood alcohol content - Wikipedia

    en.wikipedia.org/wiki/Blood_alcohol_content

    Countries differ in how this quantity is normally expressed. Common formats are listed in the table below. For example, the US and many international publications present BAC as a percentage, such as 0.05%. This would be interpreted as 0.05 grams per deciliter of blood. This same concentration could be expressed as 0.5‰ or 50 mg% in other ...

  5. Symmetric mean absolute percentage error - Wikipedia

    en.wikipedia.org/wiki/Symmetric_mean_absolute...

    In contrast to the mean absolute percentage error, SMAPE has both a lower and an upper bound. Indeed, the formula above provides a result between 0% and 200%. Indeed, the formula above provides a result between 0% and 200%.

  6. List of sovereign states by tax revenue to GDP ratio - Wikipedia

    en.wikipedia.org/wiki/List_of_sovereign_states...

    The tax percentage for each country listed in the source has been added to the chart. According to World Bank , "GDP at purchaser's prices is the sum of gross value added by all resident producers in the economy plus any product taxes and minus any subsidies not included in the value of the products.

  7. Usage share of web browsers - Wikipedia

    en.wikipedia.org/wiki/Usage_share_of_web_browsers

    This bias is caused by the differences in the percentage of tracked hits in the sample, and the percentage of global usage tracked by third party sources. This difference is caused by the heavier levels of market usage. [13] Statistics from the United States government's Digital Analytics Program (DAP) do not represent world-wide usage patterns ...

  8. List of sovereign states by research and development spending

    en.wikipedia.org/wiki/List_of_sovereign_states...

    The indicator is measured in USD constant prices using 2015 base year and purchasing power parities (PPPs) by OECD and as percentage of GDP. Sorting is alphabetical by country code, according to ISO 3166-1 alpha-3.

  9. List of countries by government budget - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    In the following table, for each country/territory, IMF figures shows government's revenue, expenditure, and net lending (+)/ borrowing (-) as percentage of GDP and in current USD, calculated on an exchange rate basis, i.e., not in purchasing power parity (PPP) terms. [3] Sorting is alphabetical by country code, according to ISO 3166-1 alpha-3.