Abstract
This is the last of the three-part paper reviewing data processing for plasma experiments. Contents : §6 Spectral Analysis (1) correlation and power spectrum (2) analysis of plasma fluctuations (3) multiplex spectroscopy : §7 Data Archives (1) storage capacity and data compression (2) database; §8 Conclusion. Contents of previous parts : §1 Introduction, §2 Acquisition, §3 Pre-Processing, §4 Reproduction, §5 Fitting.
