1 INTRODUCTION

2 METHOD
2.1 Data model
2.2 Model errors
2.3 Implicit hyperprior
2.4 Method summary

3 SPECTROSCOPIC ANALYSIS PIPELINE
3.1 Pre-processing
3.2 Analysis pipeline
3.3 Stellar atmosphere grid
3.4 Observational data

4 RESULTS AND DISCUSSION
4.1 VLT/FLAMES: Evans et al. (2011)
4.2 VLT/MUSE: Castro et al. (2018)

5 CONCLUSIONS AND OUTLOOK