An analysis is a critical evaluation, usually made by breaking a subject (either material or intellectual) down into its constituent parts, then describing the parts and their relationship to the whole.

As such, it can be applied in many different fields of study:

In philosophy:
- analysis (philosophy)
In mathematics:
- mathematical analysis
  - real analysis - real numbers
  - complex analysis - holomorphic functions
  - functional analysis - study of spaces of functions
  - non-standard analysis - hyperreal numbers
  - harmonic analysis - Fourier series
- numerical analysis
- statistical analysis
  - meta-analysis
  - analysis of variance (ANOVA)
  - time-series analysis
In computing:
- object-oriented analysis and design
- lexical analysis
- semantic analysis
- syntax analysis
- competitive analysis
- analysis of algorithms
- computer program analysis
- static code analysis
In music:
- musical analysis
  - Schenkerian analysis
In psychotherapy:
- psychoanalysis
  - transactional analysis
In cryptography:
- cryptanalysis - the decoding of ciphers
- frequency analysis
In economics:
- fundamentals analysis
- technical analysis - used in predicting stock market trends
In language studies:
- discourse analysis
- voice analysis
In signal processing:

In other fields:

system analysis - in electrical engineering
systems analysis - study of large systems
lithic analysis - study of stone tools, in archaeology
isotope analysis in archaeology and paleontology
aura analysis - study of bodily auras and energy fields
dimensional analysis - in physics and engineering
neutron activation analysis - in chemistry
life cycle cost analysis

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