Statistics

Standardabweichung / Standard Deviation

What is the Standard Deviation?

22. March 202317. January 2023
Statistics

Explanation of the standard deviation and the relationship to the variance.

Wort Bias in Buchstaben in Anlehnung an Selection Bias

What is the Selection Bias?

11. March 202314. October 2022
Statistics

Explanation of selection bias with examples.

tSNE Feature Selection

tSNE: t-distributed stochastic neighbor embedding

4. March 202311. October 2022
Statistics

Explanation of tSNE including example in Python.

Das Bild zeigt mehrere Menschengruppen. Die größte ist die gesamte Population und die kleinere die das Sample.

Population and Sample – simply explained!

27. November 20219. June 2022
Statistics

Definition of population and sample with examples, advantages of sampling and sampling methods.

Das Liniendiagramm zeigt zwei Linien, die eine Korrelation darstellt. Der Margarinekonsum und die Scheidungsrate nehmen in dem Zeitraum beide proportional ab.

Correlation and Causation – easily explained!

27. November 202128. March 2023
Statistics

Correlation and causality: explain differences using examples, prove correlation coefficient and causality.

Das Bild zeigt die Glockenkurve der Gaußverteilung und einzelne Balken, die die Datenerhebung symbolisieren soll.

Normal Distribution

26. November 20215. June 2022
Statistics

Normal distribution with definition, calculation example and the distinction between density function and distribution function.

Das Diagramm zeigt die Glockenkurve mit dem Erwartungswert (Expected Value) in Orange in der Mitte der Kurve.

Expected Value – easily explained!

26. November 20218. December 2022
Statistics

Expected Value explained with examples and difference to arithmetic mean shown.

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