I have a pandas Dataframe with N columns representing the coordinates of a vector (for example X, Y, Z, but could be more than 3D). I would like to aggregate the dataframe along the rows with an arbitrary function that combines the columns, for example the norm: (X^2 + Y^2 + Y^2). I want to do something similar to what is done here and here and here but I want to keep it general enough that the number of columns can change and it behaves like DataFrame.mean(axis = 1) or DataFrame.sum(axis = 1) Continue reading...
