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Sensitivity analysis

Hi I am trying to illustrate the use of the following methods:

  1. Multicollinearity
  2. Heteroscedastic
  3. Autocorrelation
  4. Econometric modelling

Can these methods be used in sampling components of the three financial statements? Is it wrong to use these methods to stress test the figures relating to financial ratios.

Are we able to use the above mentioned statistical methods to sample the values for sales, variable operating costs, fixed operating costs, ebitda, depreciation, ebit in calculating net income. Then assess the reliability of the sensitivity using statistical analysis.

Thank you