A general C++ class for running iterative sampling linear_regression calculations.
g++ -std=c++17 -o lr *.cpp
./lr -i data.dat -50 -r -e -m -b -t
ssr = 15104.3
sst = 30040.4
R2 = 0.497199 : ms = 0.073432
sy = 17.739
sx = 195.677
SE = 0.090654 : ms = 0.014510
m = 1.185276
b = 16.069553