Class: FinModeling::Forecasts

Inherits:
Object
  • Object
show all
Defined in:
lib/finmodeling/forecasts.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Forecasts

Returns a new instance of Forecasts.



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# File 'lib/finmodeling/forecasts.rb', line 5

def initialize
  @reformulated_income_statements = []
  @reformulated_balance_sheets    = []
end

Instance Attribute Details

#reformulated_balance_sheets ⇒ Object

Returns the value of attribute reformulated_balance_sheets.



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# File 'lib/finmodeling/forecasts.rb', line 3

def reformulated_balance_sheets
  @reformulated_balance_sheets
end

#reformulated_income_statements ⇒ Object

Returns the value of attribute reformulated_income_statements.



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# File 'lib/finmodeling/forecasts.rb', line 3

def reformulated_income_statements
  @reformulated_income_statements
end

Instance Method Details

#balance_sheet_analyses(filings) ⇒ Object 



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# File 'lib/finmodeling/forecasts.rb', line 10

def balance_sheet_analyses(filings)
  if !@balance_sheet_analyses
    prev_filing = filings.last
    prev_re_bs = prev_filing.balance_sheet.reformulated(prev_filing.balance_sheet.periods.last)
    @reformulated_balance_sheets.each do |re_bs|
      next_analysis = re_bs.analysis(prev_re_bs)

      @balance_sheet_analyses = @balance_sheet_analyses + next_analysis if  @balance_sheet_analyses
      @balance_sheet_analyses =                           next_analysis if !@balance_sheet_analyses
      prev_re_bs = re_bs
    end
    @balance_sheet_analyses = BalanceSheetAnalyses.new(@balance_sheet_analyses)
  end
  return @balance_sheet_analyses
end

#income_statement_analyses(filings, expected_rate_of_return) ⇒ Object 



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# File 'lib/finmodeling/forecasts.rb', line 26

def income_statement_analyses(filings, expected_rate_of_return)
  if !@income_statement_analyses
    prev_filing = filings.last
    prev_re_bs = prev_filing.balance_sheet.reformulated(prev_filing.balance_sheet.periods.last)
    prev_prev_is = (filings.length > 2) ? filings[-2].income_statement : nil
    prev_re_is = prev_filing.income_statement.latest_quarterly_reformulated(prev_cis=nil, prev_prev_is, prev_prev_cis=nil)
  
    @reformulated_income_statements.zip(@reformulated_balance_sheets).each do |re_is, re_bs|
      next_analysis = FinModeling::ReformulatedIncomeStatement.empty_analysis                if !re_is
      next_analysis = re_is.analysis(re_bs, prev_re_is, prev_re_bs, expected_rate_of_return) if  re_is
    
      @income_statement_analyses = @income_statement_analyses + next_analysis if  @income_statement_analyses
      @income_statement_analyses =                              next_analysis if !@income_statement_analyses
  
      prev_re_bs, prev_re_is  = [re_bs, re_is]
    end
    @income_statement_analyses = IncomeStatementAnalyses.new(@income_statement_analyses)
  end
  return @income_statement_analyses
end