new = data_eliminate_var_0(data, threshold = 1e-10)
SYNOPSIS
function data = data_eliminate_var_0(data, threshold)
DESCRIPTION
new = data_eliminate_var_0(data, threshold = 1e-10)
Eliminates features with variance below a threshold. This helps making
the covariance matrix of the data non-singular.
Works on data.X and data.x simultaneously.