Stage 1
Preparing the source data
Preparation of the initial «raw» data - clustering, filtering, detection and elimination (or, if possible, restoration) of missing values, selection of feature vectors, data reduction in a convenient form for further analysis.
Stage 2
Standard analysis
Standard analysis-calculation of moments of random variables of the first few orders, calculation of medians, calculation of variances, construction of correlation and regression relations between different values, reduction of data to a convenient tabular representation.
Stage 3
Expanded analysis
Are (some or all of them together): descriptive analysis, factor analysis, relationship analysis, discriminant analysis, predictive analysis, time series analysis.
Stage 4
Visualization and report
The analysis data is visualized and a report is prepared, based on which the manager can make an informed decision about changing the business processes of the enterprise to improve its efficiency.