public double[] columnStandardErrors(){
            double[] standardErrors = new double[this.numberOfRows];
            for(int i=0; i<this.numberOfColumns; i++){
                double[] hold = new double[this.numberOfRows];
                for(int j=0; j<this.numberOfRows; j++){
                    hold[i] = this.matrix[j][i];
                }
                Stat st = new Stat(hold);
                standardErrors[i] = st.standardError();
            }

            return standardErrors;
        }