1
vote
0answers
37 views

Unit Root Test interpretation

I am analyzing data collected hourly over $9$ years (around $80000$ hours) and I have following result for Unit Root Test : How can I interpret the data? Can I use the Autoregressive model?
0
votes
0answers
83 views

Fitting 2D random walk to data points given on cartesian plane

I have a collection of data points given with coordinates $(x,y)$ in $\Re^2$. I suspect that these data points can be modeled using a random walk. How can I fit a random walk model to these 2D ...
0
votes
2answers
85 views

preliminary evaluation for forecasting models

Suppose I would like to use a method for data prediction, and that I have some empirical data (i.e., sequence of samples of the form [time, value]). Would it be possible to know in advance, based on ...