anchor.diff:  
   In this section, we look at various features of the F# data frame library (using both
   `Series` and `Frame` types and modules). Feel free to jump to the section you are interested
  -in, but note that some sections refer back to values built in "Createing & loading".
  +in, but note that some sections refer back to values built in "Creating & loading".
   
   You can also get this page as an [F# script file](https://github.com/BlueMountainCapital/FSharp.DataFrame/blob/master/samples/features.fsx)
   from GitHub and run the samples interactively.
  
positive.code: (**
  The previous examples were always looking for an exact key. If we have an ordered
  series, we can search for a nearest available key and we can also perform slicing.
  We use MSFT stock prices [from earlier example(#creating-csv):
  *)
  
  // Get series with opening prices
  
negative.code: // Add new series from a list of values
  people?Siblings <- [0; 2; 1; 3]
  
  // Replace existing series with new values
  // (Equivalent to people?Siblings <- ...)
  people.ReplaceSeries("Siblings", [3; 2; 1; 0])
  
  