Question

analysis
anal·y·sis
 /əˈnæləsis/  noun  ,  pl   -y·ses /-əˌsiːz/
  1 a : a careful study of something to learn about its parts, what they do, and how they are related to each other
   [  count  ] a scientific analysis of the data
    make/do/perform a chemical analysis of the soil
    a detailed analysis of the bone structure of horses
   [  noncount  ] performing chemical analysis of the soil — see also systems analysis
  1 b : an explanation of the nature and meaning of something
   [  count  ] The newspaper printed an analysis of each candidate's positions.
    That's not a bad analysis of the situation.
   [  noncount  ] It's a problem that requires careful analysis.
    a problem that defies analysis [=a problem that cannot be easily understood or explained]
  2 [  noncount  ] : psychoanalysis
   He has been in/undergoing analysis for many years.
  in the final analysis ( also   in the last analysis)
   : after considering everything
    — used for a final statement or judgment that is based on what is most important in a particular situation
    It was a difficult decision but, in the final analysis, it was the right choice.