Joanna Grochowska-Angielczyk- 6 lutego 2026
How Strongly Are Variables Related? The Pearson Linear Correlation Coefficient
Econometrics Lecture 5 Topic: Pearson’s Linear Correlation Coefficient and Its Significance The main goal of econometrics is to...
- Joanna Grochowska-Angielczyk
- 6 lutego 2026
Real Statistical Data You Need to Build an Econometric Model
Econometrics Lecture 4 Topic: Data for the Model You already know exactly what an econometric model is. A...
- Joanna Grochowska-Angielczyk
- 6 lutego 2026
Why Do We Need a Random Component in a Model?
Econometrics Lecture 3 Topic: Random Component At the end of the previous Lecture 2, I mentioned one of...
- Joanna Grochowska-Angielczyk
- 6 lutego 2026
Econometric Model as the Foundation of Econometrics
Econometrics Lecture 2 Topic: Econometric Model In the previous Lecture 1, I tried to explain what econometrics is...
- Krystian Karczyński
- 27 stycznia 2026
Nowy Kurs: Termodynamika – Pierwsza Zasada
Na platformie eTrapez Online pojawił się nowy Kurs: „Termodynamika – Pierwsza Zasada”.To Kurs, który domyka to, z czym...