Questions tagged [pacf]
The pacf tag has no usage guidance.
5
questions
0
votes
0
answers
17
views
Time series analysis for document published date and read date
I want to find whether there is a particular hour when the author should publish the documents online to get maximum views/reads.
Data looks something like this -
Document ID
Published Date
Read Date
...
- 38
0
votes
0
answers
11
views
Which data to use to plot ACF/PACF while determining the ARIMA parameters?
I am confused about how to plot ACF/PACF. I do STL decomposition to time series data and then take the residuals and plot ACF/PACF to determine the ARIMA parameters.
Most examples, however, take the ...
- 121
2
votes
1
answer
117
views
ARIMA predictions look shifted by one unit of time
I am using statsmodels ARIMA (1,2,1) to predict the monthly demand for a product. The predictions look like they are shifted to the right by one month. I wonder if the statsmodels.ARIMA.Residuals....
- 121
1
vote
0
answers
47
views
Understanding plotted ACF on stationary time-series data
I made time-series data stationary and plotter ACF & PCF, while PCF looks fine, I do not know how to interpretate ACF, as it looks like this - I could not say it geometrical. For PACF - it is ...
- 33
0
votes
1
answer
21
views
PACF for Airline Passengers dataset: What's wrong?
The airline passengers dataset is available here, but it also comes with in R.
I'm working with python, and I import the following (besides the usual like pandas and numpy.)
...
