title: Matplotlib autocorrelation plotting negative lags
body: <p>I am using matplotlib acorr function to plot autocrrrelation, but I don't want the negative lags. How can I prevent the negative lags from appearing in the plot?
  <a href="https://pythontic.com/visualization/charts/autocorrelation" rel="nofollow noreferrer">https://pythontic.com/visualization/charts/autocorrelation</a></p>