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2. Logarithm - Wikipedia

   en.wikipedia.org/wiki/Logarithm

   In mathematics, the logarithm is the inverse function to exponentiation. That means that the logarithm of a number x to the base b is the exponent to which b must be raised to produce x. For example, since 1000 = 103, the logarithm base of 1000 is 3, or log10 (1000) = 3.

3. Logarithmic scale - Wikipedia

   en.wikipedia.org/wiki/Logarithmic_scale

   Logarithmic scale. of the Internet host count over time shown on a logarithmic scale. A logarithmic scale (or log scale) is a method used to display numerical data that spans a broad range of values, especially when there are significant differences between the magnitudes of the numbers involved. Unlike a linear scale where each unit of ...

4. Sampling (signal processing) - Wikipedia

   en.wikipedia.org/wiki/Sampling_(signal_processing)

   In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave to a sequence of "samples". A sample is a value of the signal at a point in time and/or space; this definition differs from the term's usage in statistics, which refers to a set of such values.

5. HIV Viral Load: Types of Tests, What Do Results Mean - WebMD

   www.webmd.com/hiv-aids/hiv-viral-load-what-you...

   Your viral load gives you an idea of how much of the HIV virus is in your body. The test measures the number of HIV copies in a milliliter of blood. Your test results help your doctor follow what ...

6. Toxicology Screen: Types, Samples, and Drugs - Healthline

   www.healthline.com/health/toxicology-screen

   Many substances can be discovered through toxicology screens. Common classes of drugs that may be detected by toxicology screens include: alcohol, including ethanol and methanol. amphetamines ...

7. Cross-entropy - Wikipedia

   en.wikipedia.org/wiki/Cross-entropy

   Cross-entropy loss function and logistic regression. Cross-entropy can be used to define a loss function in machine learning and optimization. The true probability is the true label, and the given distribution is the predicted value of the current model. This is also known as the log loss (or logarithmic loss [3] or logistic loss ); [4] the ...

8. Epstein-Barr Virus (EBV) Test - Healthline

   www.healthline.com/health/epstein-barr-virus-test

   The blood sample is sent to a lab for analysis. Very little (or even zero) antibodies may be found early in the illness. Therefore, the blood test may need to be repeated in 10 to 14 days.

9. What Is a Sputum Culture? - WebMD

   www.webmd.com/lung/what-is-a-sputum-culture

   A culture is a lab test used to uncover germs that cause disease. In a sputum culture test, your sputum is added to a substance that promotes the growth of bacteria or other germs, if present ...