new column with running average of existing column

I am trying to create a new column that has the average of the 10 data points before and after that time point from an existing column (peak heights). Obviously there will be some difficulty for the first 10 and last 10 rows.

Answer 1

[Star Strider]

Try this —

T1 = table(randn(20,1))

T1 = 20×1 table
      Var1   
    _________

      0.24004
      0.36596
      0.63986
      -2.6273
      -0.5487
      -1.7412
     -0.40701
      0.31528
     -0.62188
      0.95605
     -0.17599
      0.83996
       0.3583
    -0.050693
     -0.85835
     0.032795

T1.Var2 = movmean(T1.Var1,[10 10])

T1 = 20×2 table
      Var1         Var2   
    _________    _________

      0.24004     -0.32772
      0.36596     -0.23041
      0.63986     -0.18513
      -2.6273     -0.17553
      -0.5487     -0.22105
      -1.7412     -0.20518
     -0.40701     -0.22255
      0.31528     -0.18343
     -0.62188     -0.13606
      0.95605     -0.15936
     -0.17599     -0.15936
      0.83996     -0.18038
       0.3583     -0.21073
    -0.050693     -0.26077
     -0.85835     -0.11286
     0.032795    -0.083805

See the documentation on movmean for details.

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