Los datos de análisis surgen naturalmente en varias ramas de la ciencia, incluyendo la geología.
Summary 11
The Model 12
Normal Processing of the data 16
Case One 16
Selecting the proper RCCs 18
RCC from the initial dataset 19
Analysis of the RCCs from the initial dataset. 20
Case Two 22
Major oxides 22
Analysis of the RCCs from the major oxides of the initial dataset. 23
Trace elements 23
Analysis of the RCCs from the Trace Elements of the initial dataset. 24
Graphical representation of the RCCs 24
Conclusions and recommendations from the processing of the initial dataset 25
Compositional Data Analysis 26
Centered Log-Ratio Transformation (CLR) 26
Additive Log-Ratio transformation (ARL) 32
Isometric Log-Ratio transformation (IRL) 36
Conclusions and Recommendations from the Compositional Data Analysis 40
Factor Analysis 41
Factor Analysis for the Initial Dataset 41
Conclusions and recommendations on the use of FA for the initial dataset 43
CRL transformed data 44
Factor Analysis for the ALR Transformed Dataset 46
Factor Analysis of the IRL Transformed Dataset 48
Conclusions and recommendations on the use of FA for the transformed datasets 50
Dealing with zero values- a summary 51
Are there any zeros in the house? 51
Zero, zero… What shall I do with you? 52
How do I deal with spurious distributions? 53
Conclusions and Recommendations 56
References 57
Used in this text 57
Suggested web links 57
