Search results
Results from the WOW.Com Content Network
Least absolute deviations (LAD), also known as least absolute errors (LAE), least absolute residuals (LAR), or least absolute values (LAV), is a statistical optimality criterion and a statistical optimization technique based on minimizing the sum of absolute deviations (also sum of absolute residuals or sum of absolute errors) or the L 1 norm of such values.
MAE is calculated as the sum of absolute errors (i.e., the Manhattan distance) divided by the sample size: [1] = = | | = = | |. It is thus an arithmetic average of the absolute errors | e i | = | y i − x i | {\displaystyle |e_{i}|=|y_{i}-x_{i}|} , where y i {\displaystyle y_{i}} is the prediction and x i {\displaystyle x_{i}} the true value.
The simplest methods of estimating parameters in a regression model that are less sensitive to outliers than the least squares estimates, is to use least absolute deviations. Even then, gross outliers can still have a considerable impact on the model, motivating research into even more robust approaches.
Most commonly the absolute percent errors are weighted by the actuals (e.g. in case of sales forecasting, errors are weighted by sales volume). [3] Effectively, this overcomes the 'infinite error' issue. [ 4 ]
When viewing page information, the wiki software can show additional custom text at the start and end of the page. The top of the information page (before the first section for "Basic information") comes from MediaWiki:Pageinfo-header. It is blank by default, but individual wikis can add content here.
Here readers would see the link displayed as particle physics, not the hidden reference to the page Parton (particle physics), unless they followed the link or inspected the target title e.g. by mousing over it. If a physical copy of the article were printed, or the article saved as an audio file, the reference to the parton model would be lost.
Open your document in Word, and "save as" an HTML file. Open the HTML file in a text editor and copy the HTML source code to the clipboard. Paste the HTML source into the large text box labeled "HTML markup:" on the html to wiki page. Click the blue Convert button at the bottom of the page.
If an article overall has so many images that they lengthen the page beyond the length of the text itself, you can use a gallery; or you can create a page or category combining all of them at Wikimedia Commons and use a relevant template ({}, {{Commons category}}, {{Commons-inline}} or {{Commons category-inline}}) to link to it instead, so that ...