How to reduce BIAS and improve RMSE in multivariate data analysis?
Basically you need to build a better model. Start with methods in the attached screenshot. A univariate model example is in the attached paper. Best wishes David Booth
See these links, please:
Article Reducing Bias and Mean Squared Error Associated With Regress...
https://www.mjssm.me/clanci/MJSSM_March_2014_Sindik_23-29.pdf
https://towardsdatascience.com/mse-and-bias-variance-decomposition-77449dd2ff55
Impact Analysis of Univariate and Multivariate Bias Correction on Rice Irrigation Water Needs in Jiangxi Province, China
Yogesh Kumar
These link might help
Article A multivariate meta-analysis approach for reducing the impac...
https://www.rapidinsight.com/blog/preventing-data-bias/
https://www.includehelp.com/ml-ai/root-mean-square%20error-rmse.aspx
Anyone can recommend any books on such topics? Thanks in advance.
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