Excel calculation sheet for Biotite from EPMA data (Li et al. 2020, Lithos)

Excel spreadsheet for calculating biotite formula from EMPA data. Li X., Zhang C., Behrens H., Holtz F. (2020) Calculating biotite formula from electron microprobe analysis data using a machine learning method based on principal components regression. Lithos, 356-357: 105371. https://doi.org/10.1016/j.lithos.2020.105371基于电子探针分析数据计算辉石化学式的Excel电子表格。Li X., 张C., Behrens H., Holtz F.（2020）利用主成分回归的机器学习方法从电子探针分析数据计算辉石化学式。Lithos，第356-357卷：105371。https://doi.org/10.1016/j.lithos.2020.105371