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Results tagged with predictive-models
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user 213550
Predictive models are statistical models whose primary purpose is to predict other observations of a system optimally, as opposed to models whose purpose is to test a particular hypothesis or explain a phenomenon mechanistically. As such, predictive models place less emphasis on interpretability and more emphasis on performance.
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What methods of forecasting should I be looking at to forecast sales?
I am wanting to forecast sales of different products within a business.
I have a good background in mathematics (but mainly focused on analysis, group theory, algebra etc. as opposed to statistics).
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Using a log transformation in an ARIMA model; how to get model predictions back on original ...
This question relates largely to the answer provided by Stephan here:
How to know which forecasting tool to use in R?
Stephan says:
If you work on logged data, be aware that simply taking the
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How and if to scale an ARIMA model based on relevant information
Suppose I am using an ARIMA model to predict monthly sales in my business.
Now my data has some seasonality month on month and overall a trend upwards.
I use some mathematical tools to make the data …
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