What are the shortcomings of the Mean Absolute Percentage Error …
Aug 25, 2017 · The MAPE, as a percentage, only makes sense for values where divisions and ratios make sense. It doesn't make sense to calculate percentages of temperatures, for instance, so you …
The difference between MSE and MAPE - Cross Validated
Apr 15, 2016 · The difference between MSE and MAPE Ask Question Asked 14 years, 7 months ago Modified 8 years, 9 months ago
machine learning - Best way to optimize MAPE - Cross Validated
May 22, 2016 · 12 The MAPE is a metric that can be used for regression problems : MAPE = 1 n ∑t=1n ∣∣∣At −Ft At ∣∣∣ MAPE = 1 n ∑ t = 1 n | A t F t A t | Where A A represents the actual value and F F the …
forecasting - ARIMA: How to interpret MAPE? - Cross Validated
Mar 8, 2015 · I interpreted the MAPE like, "on average, the forecast if off by 14%", which sounds fine for me. But on the other side the MASE is greater than 1, which means the model is worse than a naive …
RMSE or MAPE? which one to choose for accuracy?
Dec 1, 2021 · If you truly want to find a MAPE-optimal forecast, you should also use the MAPE to fit your model. I am not aware of any off-the-shelf forecasting software that does this (if you use an ML …
MAPE vs R-squared in regression models - Cross Validated
Feb 8, 2018 · MAPE vs R-squared in regression models Ask Question Asked 7 years, 11 months ago Modified 7 years, 7 months ago
Is this the correct place to use MAPE as a loss function?
Jun 15, 2020 · What does the MAPE, the MSE or any other PFEM do? It evaluates how close our estimate for the target functional gets to the actual functional. The MSE is minimized in expectation if …
Mean Absolute percentage error getting infinity?
Jun 24, 2020 · MAPE doesn't make sense when y_true can be zero, because division by zero is not defined. You'll have to use a different measurement. Excluding values where y_true is zero is not …
time series - Is MAPE a good error measurement statistic? And what ...
May 19, 2017 · It is correct that the over-forecast and under-forecast by the same amount results in the same MAPE value for a fixed actual. However, imagine a situation where the actual can be 1 or 3 …
Does the absolute value of MAPE or sMAPE have meanings?
Dec 11, 2023 · Let say I have a forecasting system compared with a naive forecast that just use the today's value as forecast. If the naive forecast have a MAPE of 200%, and my system have a MPAE …