Sumários

Clarification of doubts

4 novembro 2022, 12:00 Hugo Gabriel Valente Morais

Clarification of doubts

Resolution of exercises


Clarification of doubts

3 novembro 2022, 10:00 Hugo Gabriel Valente Morais

Clarification of doubts

Resolution of exercises


Preparation for the Exam

3 novembro 2022, 08:00 Hugo Gabriel Valente Morais

Preparation for the Exam

Support to the students


Load Forecast

31 outubro 2022, 10:30 Hugo Gabriel Valente Morais

  • Forecasting methods
  • Patterns that describe a tlme series: trends,cycles, seasonal variations, irregular fluctuations.
  • Measuring forecast errors
  • Multiple Linear Regresssion
  • Multiple Linear Regression.
  • Statistics of beta coefficients.
  • Estimation of errors variance: Sum of square of the errors and number of degrees of freedom.
  • Sum of squares of regression
  • Sum of squares of dependent variable.
  • The coefficient of determination, R 2
  • The Fisher distribution test and the Stuent t distribution test
  • Interval of confidence for beta coefficients and dependent variable forecast.
  • Models for long term energy forecast and short term load forecast
  • Building a causal time series for forecasting the consumption of electric energy


Problems 9.5

28 outubro 2022, 12:00 Hugo Gabriel Valente Morais

- Problem 9.5