Plotting a Sample Autocorrelation function

I'm given 30 data points.

Calculate and plot the sample ACF for k = 0,1,2,3,4,5.

How would I plot it?

Quote:

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Originally Posted by statmajor

I'm given 30 data points.

Calculate and plot the sample ACF for k = 0,1,2,3,4,5.

How would I plot it?

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Look at whatever definition you have for the auto-correlation. Now compute that for your data with delays of 0, 1, 2, 3,4 and 5 samples.

Now plot against

CB

Thanks.

One more question, would I plot the sample partial autocorrelation function the same way against k = 0,1,2,3,4,5 as well?