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Where is the weight, is a vector of the actual data and is the forecast or prediction. However, this effectively simplifies to a much simpler formula: However, this effectively simplifies to a much simpler formula:
Dice-Sørensen coefficient. The Dice-Sørensen coefficient (see below for other names) is a statistic used to gauge the similarity of two samples. It was independently developed by the botanists Lee Raymond Dice [1] and Thorvald Sørensen, [2] who published in 1945 and 1948 respectively.
(200% for the first formula and 100% for the second formula). Provided the data are strictly positive, a better measure of relative accuracy can be obtained based on the log of the accuracy ratio: log( F t / A t ) This measure is easier to analyse statistically, and has valuable symmetry and unbiasedness properties.
Step 2: Identify your goal and activity level to figure out your macro percentages. If your goal is to lose weight and you exercise more than one hour a day five days a week consider consulting ...
Years of potential life lost. Years of potential life lost ( YPLL) or potential years of life lost ( PYLL) is an estimate of the average years a person would have lived if they had not died prematurely. [1] It is, therefore, a measure of premature mortality. As an alternative to death rates, it is a method that gives more weight to deaths that ...
According to the Centers for Disease Control and Prevention (CDC), losing about one to two pounds per week will lead to long-term weight loss, which is much more sustainable than rapid weight loss ...
Expected loss is the sum of the values of all possible losses, each multiplied by the probability of that loss occurring. In bank lending (homes, autos, credit cards, commercial lending, etc.) the expected loss on a loan varies over time for a number of reasons. Most loans are repaid over time and therefore have a declining outstanding amount ...