MEAN - IS MEDIAN ABSOLUTE PERCENTAGE ERROR USELESS? - CROSS …
Nov 20, 2022 I'm working on a project focused on pricing houses. Looking online I see a lot of works and companies providing the performances of their model using the median instead of … From stats.stackexchange.com
WHAT IS THE SIGNIFICANCE OF 1 SD? - CROSS VALIDATED
Nov 2, 2024 What do you mean by "the derivative at 1 SD is +- 1"? Derivative of what? If you mean of a density plot, then what distribution? The normal? Different distributions will have … From stats.stackexchange.com
OUTLIERS - TRIMMED MEAN VS MEDIAN - CROSS VALIDATED
Feb 26, 2015 Sample mean is a consistent estimator, however, its variance and robustness is not desired in many scenarios, so historically, many attempts have made to reduce the overall … From stats.stackexchange.com
WHAT IS THE DIFFERENCE BETWEEN "MEAN VALUE" AND "AVERAGE"?
The mean you described (the arithmetic mean) is what people typically mean when they say mean and, yes, that is the same as average. The only ambiguity that can occur is when … From stats.stackexchange.com
STANDARD ERROR VS. STANDARD DEVIATION OF SAMPLE MEAN
Remember that the sample mean x¯ x is itself a random variable. So the first formula tells you the standard deviation of the random variable x¯ x in terms of the standard deviation of the original … From stats.stackexchange.com
WHAT IS IMPLIED BY STANDARD DEVIATION BEING MUCH LARGER THAN THE …
What does it imply for standard deviation being more than twice the mean? Our data is timing data from event durations and so strictly positive. (Sometimes very small negatives show up … From stats.stackexchange.com
MEAN - DIFFERENCE BETWEEN STANDARD ERROR AND STANDARD DEVIATION …
Nov 3, 2017 I'm struggling to understand the difference between the standard error and the standard deviation. How are they different and why do you need to measure the standard ... From stats.stackexchange.com
HOW TO READ SCIENTIFIC NOTATION OUTPUT (NUMBERS THAT INCLUDE "E")?
Dec 20, 2017 What does the notation like 8.6e-28 mean? What is the 'e' for? (2 answers) Closed 7 years ago. After running the lm regression model using R, sometime one is bound to get … From stats.stackexchange.com
So we have arithmetic mean (AM), geometric mean (GM) and harmonic mean (HM). Their mathematical formulation is also well known along with their associated stereotypical … From stats.stackexchange.com
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