dfhogg = pd.DataFrame(np.array([[1, 201, 592, 61, 9, -0.84],
                                 [2, 244, 401, 25, 4, 0.31],
                                 [3, 47, 583, 38, 11, 0.64],
                                 [4, 287, 402, 15, 7, -0.27],
                                 [5, 203, 495, 21, 5, -0.33],
                                 [6, 58, 173, 15, 9, 0.67],
                                 [7, 210, 479, 27, 4, -0.02],
                                 [8, 202, 504, 14, 4, -0.05],
                                 [9, 198, 510, 30, 11, -0.84],
                                 [10, 158, 416, 16, 7, -0.69],
                                 [11, 165, 393, 14, 5, 0.30],
                                 [12, 201, 442, 25, 5, -0.46],
                                 [13, 157, 317, 52, 5, -0.03],
                                 [14, 131, 311, 16, 6, 0.50],
                                 [15, 166, 400, 34, 6, 0.73],
                                 [16, 160, 337, 31, 5, -0.52],
                                 [17, 186, 423, 42, 9, 0.90],
                                 [18, 125, 334, 26, 8, 0.40],
                                 [19, 218, 533, 16, 6, -0.78],
                                 [20, 146, 344, 22, 5, -0.56],
                                 [21, 241, 792, 61, 9, -0.84],
                                 [22, 248, 409, 25, 4, 0.31],
                                 [23, 45, 573, 38, 11, 0.64],
                                 [24, 257, 402, 15, 7, -0.27],
                                 [25, 200, 490, 21, 5, -0.33],
                                 [26, 59, 171, 15, 9, 0.67],
                                 [27, 210, 469, 27, 4, -0.02],
                                 [28, 205, 509, 14, 4, -0.05],
                                 [29, 198, 517, 30, 11, -0.84],
                                 [30, 158, 408, 16, 7, -0.69],
                                 [31, 166, 399, 14, 5, 0.30],
                                 [32, 221, 462, 25, 5, -0.46],
                                 [33, 159, 327, 52, 5, -0.03],
                                 [34, 121, 301, 16, 6, 0.50],
                                 [35, 168, 408, 34, 6, 0.73]]),
                   columns=['id','x','y','sigma_y','sigma_x','rho_xy'])