sample 1 291 
read interest exchange
13.90	42.11
14.81	43.56
13.83	44.82
13.87	45.29
13.13	44.87
13.76	46.81
12.80	47.52
10.51	48.67
9.83	49.10
8.63	49.88
8.80	50.08
8.59	49.29
8.33	49.30
8.65	50.12
8.86	50.79
8.78	51.50
8.70	51.68
9.44	52.73
9.85	53.26
10.16	54.25
9.73	54.59
9.39	54.36
9.48	55.14
9.76	55.97
9.56	56.66
9.77	56.48
10.27	56.28
10.47	57.01
11.02	58.32
11.24	59.00
11.27	60.80
11.37	61.15
11.19	62.85
10.52	63.85
9.34	63.78
8.76	65.15
8.45	66.52
8.87	68.53
9.45	69.24
8.71	67.80
8.07	68.36
7.46	68.20
7.57	67.03
7.71	67.03
7.64	67.77
7.71	65.44
7.68	64.92
7.50	65.04
7.53	64.98
7.47	63.57
6.89	62.93
6.36	62.71
6.47	61.81
6.56	62.33
6.12	61.46
5.79	60.91
5.57	61.19
5.48	61.49
5.64	62.37
5.78	62.43
5.67	60.85
5.83	60.53
5.86	60.48
6.19	59.70
6.35	59.63
6.28	60.58
6.05	61.60
6.46	61.64
6.99	60.94
7.04	61.04
6.50	59.47
6.68	58.64
6.56	59.10
6.21	59.78
6.18	59.29
6.50	59.01
6.89	59.44
7.04	60.54
7.35	62.19
7.79	63.08
7.82	63.37
7.90	62.34
8.30	61.36
8.70	61.56
8.85	62.90
9.05	63.29
9.39	64.31
9.17	64.84
8.91	66.43
8.38	68.04
8.01	67.38
8.17	68.28
8.16	69.43
8.03	68.95
7.89	69.39
7.81	69.61
7.96	70.13
8.12	71.12
8.28	72.95
8.27	73.39
8.19	72.96
8.05	73.22
7.92	72.09
7.77	71.01
7.70	70.51
7.53	69.34
7.39	69.47
7.03	70.69
6.58	71.07
6.19	70.70
6.20	73.38
5.98	74.55
5.87	75.08
6.02	76.26
5.97	76.41
5.63	75.89
5.48	75.12
5.26	75.10
4.80	74.47
4.26	74.13
4.01	74.41
4.08	75.64
4.33	77.34
4.00	77.42
3.88	77.09
3.90	76.24
3.38	75.30
3.31	75.12
3.04	75.87
3.13	77.53
3.44	80.16
3.47	80.85
3.24	82.00
3.16	82.54
3.15	82.41
3.06	81.51
3.17	81.87
3.29	82.72
3.26	84.06
3.24	84.24
3.15	84.40
3.22	85.46
3.36	86.67
3.34	87.52
3.25	90.39
3.53	90.47
3.92	90.99
4.25	91.65
4.79	91.72
4.72	92.02
4.95	90.85
5.08	90.84
5.24	90.01
5.62	89.54
5.98	89.97
6.50	92.04
6.51	94.09
6.31	93.63
6.17	92.74
6.05	90.15
5.93	90.14
5.66	90.31
5.62	90.35
5.65	92.48
5.54	93.84
5.56	93.66
5.51	94.88
5.35	95.57
5.13	96.45
4.97	96.61
5.16	96.60
5.27	96.89
5.33	97.35
5.46	97.81
5.52	97.68
5.34	97.26
5.45	97.79
5.32	98.24
5.27	97.86
5.24	98.93
5.31	100.00
5.27	101.85
5.48	102.65
5.60	103.45
5.53	102.44
5.34	102.10
5.33	103.30
5.40	105.18
5.30	105.66
5.30	106.27
5.38	108.00
5.45	112.24
5.23	115.99
5.27	114.45
5.25	114.18
5.26	113.93
5.36	114.82
5.32	117.37
5.23	117.69
5.15	119.60
4.81	118.20
4.20	115.07
4.59	115.06
4.57	114.30
4.49	114.36
4.61	115.95
4.65	117.33
4.54	116.73
4.75	116.50
5.03	117.14
4.75	117.22
5.09	116.17
5.08	115.50
5.20	114.98
5.43	115.26
5.68	115.32
5.76	115.13
6.00	116.57
6.11	116.57
6.07	117.23
6.39	119.83
6.24	118.60
6.27	118.93
6.35	119.72
6.25	121.19
6.32	122.91
6.34	123.84
5.92	122.87
5.15	122.73
4.89	123.42
4.44	125.44
3.99	126.41
3.74	126.26
3.56	127.10
3.56	127.52
3.39	125.43
2.71	125.79
2.17	126.63
1.92	127.15
1.82	127.22
1.77	128.80
1.86	129.53
2.06	128.78
1.98	128.41
1.91	126.85
1.83	125.41
1.74	123.65
1.64	125.07
1.64	125.99
1.59	126.90
1.30	125.62
1.27	124.97
1.22	123.42
1.20	123.27
1.16	122.79
1.17	121.81
1.11	117.84
0.94	117.19
0.97	118.41
1.05	119.72
1.03	118.38
1.02	116.03
1.04	115.90
1.01	114.33
0.99	112.43
1.01	112.97
1.01	114.09
1.11	114.91
1.33	116.78
1.64	115.67
1.70	114.85
1.76	115.02
1.91	114.55
2.05	112.94
2.32	110.07
2.50	108.84
2.68	109.45
2.85	109.66
3.09	109.05
3.14	109.99
3.17	110.48
3.22	111.62
3.53	112.12
3.78	110.69
3.79	110.62
4.13	111.70
4.30	112.51
4.33	111.79
4.47	110.18
4.69	110.46
4.79	110.63
coint exchange interest
sample 2 291
genr difexch=exchange-lag(exchange)
genr difint=interest-lag(interest)
coint difexch difint
sample 1 291
coint exchange interest / type=resd
ols exchange interest / resid=err
diagnos / acf
Sample 2 291
ols difexch difint err
stop