what is a random walk in time series? How to determinte if my data is a random walk? how to test stationarity?

In this episode of the crash course - tutorial on statistics and data science with R / Rstudio:

- Characteristics of a random walk
- How to test my time series behaviour in R?
- Mathematical equations of random walks
- How to test stationarity?
- What is autocorrelation plot?
- Tipos y definiciones de caminata aleatoria
* Pure Random walk and its mathematical equation and interpretation
* Random walk with drift and expected values
- Simulation of random walks in R
* past values, lag and lagged values
- time series plot in R
- Test Ljung Box
- Test autocorrelation: Durbin Watson
- Test Dickey Fuller (ADF)and KPSS
- What is a first difference?

How to detect White Noise in time series with R | Test Simulate Plot Data Tutorial Data Analyisis

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What is white noise? How to detect if my time series is just noise?

- How to determine if my data is white noise
- How to simulate white noise in R / Rstudio
- Mathematical equation for errors
- What are the properties or conditions of white noise
- Which test to use ? libraries?
- what is autocorrelation? durbin Watson ´Ljung Box Test?
- Time series and date format

Any comment or suggestion is welcome
Contact: inforvstats@gmail.com

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