Interpolation between two dataframe columns

General Usage Performance
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2

My recommendation would be to

  1. flip your X and Y axes. DataFrame columns are parameters and rows are observations. So
df = DataFrame(:date => [2000, 2001, 2002, 2003], 
:A => [1,2,3,4],
:B => [2,3,4,5], 
...
  1. follow this thread: Interpolate DataFrame columns - #2 by nilshg
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