NOTE: All statistics reported below describe the raw measurement file,
not the chronology itself. This file should be viewed with a
non-proportional font.
Chronology file name : NONE
Measurement file name : BRIT2.RWL
Date checked : 13JAN95
Technician's name : MARIETTE SEKLECKI
Supervisor's name : HENRI D. GRISSINO-MAYER
Beginning year : 1710
Ending year : 1974
Principal investigators: MALCOLM HUGHES
Site name : MAENTWROG
Site location : WALES
Species information : QUPE DURMAST OAK
Latitude : 5256N
Longitude : 355W
Elevation : 246 M
Series intercorrelation: 0.545
Avg mean sensitivity : 0.302
Avg standard deviation : 0.863
Avg autocorrelation : 0.700
Number dated series : 70
Segment length tested : 50
Number problem segments: 47
Pct problem segments : 12.57
Are there obvious misdated series? YES
Number possible misdated series : 9
Percent misdated series : 12.86
Comments:
#19 LP014A 1825-1899, #40 LP027B 1806-1949, #43 LP029A 1800-1977,
#44 LP029B 1800-1977, #45 LP030A 1744-1849, #57 LS102A 1921-1970,
#67 LS139A 1875-1924, #68 LS139B SERIES, #70 LS148B SERIES - ALL ARE
MISDATED #36 LP025B, #60 LS110B 1875-1967 HAVE LOW CORRELATIONS
AND SHOULD BE DELETED
1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 13:24 Fri 13 JAN 1995 Page 2
-----------------------------------------------------------------------------------------------------------------------------------
Correlations of 50-year dated segments, lagged 25 years
Flags: __A = correlation under 0.3281 but highest as dated; __B = correlation higher at other than dated position
Seq Series Interval 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950
1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999
1 LP001A 1762 1969 - - .60 .63 .73 .79 .56 .37 .35 .30 - - - - - - - - - -
+ ___B
2 LP001B 1755 1972 - - .62 .66 .72 .74 .54 .39 .43 .55 - - - - - - - - - -
+
3 LP002A 1864 1972 - - - - - - .59 .61 .71 .48 - - - - - - - - - -
+
4 LP002B 1844 1973 - - - - - .62 .55 .51 .57 .64 - - - - - - - - - -
+
5 LP003A 1826 1973 - - - - - .73 .58 .53 .60 .61 - - - - - - - - - -
+
6 LP003B 1825 1973 - - - - - .66 .59 .56 .50 .49 - - - - - - - - - -
+
7 LP005A 1828 1973 - - - - - .61 .41 .48 .64 .64 - - - - - - - - - -
+
8 LP005B 1816 1973 - - - - .64 .64 .50 .50 .64 .69 - - - - - - - - - -
+
9 LP006A 1877 1973 - - - - - - - .31 .47 .62 - - - - - - - - - -
+ ___B
10 LP006B 1894 1973 - - - - - - - .55 .58 .53 - - - - - - - - - -
+
11 LP008A 1846 1973 - - - - - .45 .44 .67 .68 .66 - - - - - - - - - -
+
12 LP008B 1867 1973 - - - - - - .53 .67 .74 .76 - - - - - - - - - -
+
13 LP009A 1821 1973 - - - - .38 .44 .51 .56 .50 .59 - - - - - - - - - -
+
14 LP009B 1824 1971 - - - - .42 .43 .47 .51 .49 .32 - - - - - - - - - -
+ ___B ___A
15 LP010A 1823 1973 - - - - .48 .49 .69 .68 .65 .65 - - - - - - - - - -
+
16 LP010B 1810 1973 - - - - .63 .67 .64 .59 .65 .71 - - - - - - - - - -
+
17 LP013A 1822 1878 - - - - .68 .63 .61 - - - - - - - - - - - - -
+
18 LP013B 1811 1878 - - - - .66 .75 .70 - - - - - - - - - - - - -
+
19 LP014A 1808 1914 - - - - .40 .18 .25 .64 - - - - - - - - - - - -
+ ___B ___B
20 LP014B 1835 1916 - - - - - .61 .59 .57 - - - - - - - - - - - -
+
21 LP015A 1826 1906 - - - - - .68 .62 .61 - - - - - - - - - - - -
+
22 LP015B 1837 1916 - - - - - .79 .75 .70 - - - - - - - - - - - -
+
23 LP018A 1831 1911 - - - - - .24 .41 .49 - - - - - - - - - - - -
+ ___B
24 LP018B 1848 1915 - - - - - .52 .53 .57 - - - - - - - - - - - -
+
25 LP020A 1768 1916 - - .54 .55 .55 .63 .65 .67 - - - - - - - - - - - -
+
26 LP020B 1780 1889 - - - .73 .77 .59 .51 - - - - - - - - - - - - -
+
27 LP021A 1710 1949 .44 .51 .59 .74 .74 .66 .60 .61 .45 - - - - - - - - - - -
+
28 LP021B 1726 1922 - .46 .57 .66 .75 .70 .60 .40 - - - - - - - - - - - -
+
29 LP022A 1802 1969 - - - - .71 .81 .67 .70 .71 .57 - - - - - - - - - -
+
30 LP022B 1800 1969 - - - - .64 .72 .53 .52 .59 .57 - - - - - - - - - -
+
31 LP023A 1712 1881 .30 .43 .52 .71 .82 .81 .78 - - - - - - - - - - - - -
+ ___A
32 LP023B 1725 1845 - .37 .49 .59 .67 - - - - - - - - - - - - - - -
+
33 LP024A 1813 1972 - - - - .73 .77 .63 .56 .59 .39 - - - - - - - - - -
+
34 LP024B 1813 1959 - - - - .65 .72 .66 .65 .50 .36 - - - - - - - - - -
+
35 LP025A 1772 1851 - - .34 .38 .37 .32 - - - - - - - - - - - - - -
+ ___A
36 LP025B 1772 1851 - - .27 .30 .26 .26 - - - - - - - - - - - - - -
+ ___A ___A ___B ___B
37 LP026A 1755 1876 - - .55 .70 .80 .80 .79 - - - - - - - - - - - - -
+
38 LP026B 1748 1876 - .38 .38 .68 .75 .81 .81 - - - - - - - - - - - - -
+
39 LP027A 1799 1928 - - - .45 .47 .65 .64 .61 .63 - - - - - - - - - - -
+
40 LP027B 1806 1973 - - - - .24 .01 .03 .09 .18 .50 - - - - - - - - - -
+ ___B ___B ___B ___B ___B
41 LP028A 1830 1963 - - - - - .63 .75 .73 .47 .26 - - - - - - - - - -
+ ___B
42 LP028B 1831 1954 - - - - - .60 .70 .72 .55 .56 - - - - - - - - - -
+
43 LP029A 1726 1877 - -.09 .41 .66 .60 .24 .21 - - - - - - - - - - - - -
+ ___B ___B ___B ___B
44 LP029B 1739 1877 - .54 .61 .70 .61 .10 .04 - - - - - - - - - - - - -
+ ___B ___B ___B
45 LP030A 1744 1970 - -.09 -.04 -.04 .07 .46 .70 .65 .56 .54 - - - - - - - - - -
+ ___B ___B ___B ___B
46 LP030B 1810 1968 - - - - .44 .68 .68 .62 .45 .36 - - - - - - - - - -
+
1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 13:24 Fri 13 JAN 1995 Page 4
-----------------------------------------------------------------------------------------------------------------------------------
Correlations of 50-year dated segments, lagged 25 years
Flags: __A = correlation under 0.3281 but highest as dated; __B = correlation higher at other than dated position
Seq Series Interval 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950
1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999
47 LP031A 1830 1973 - - - - - .60 .58 .58 .67 .67 - - - - - - - - - -
+
48 LP031B 1830 1973 - - - - - .60 .62 .78 .73 .67 - - - - - - - - - -
+
49 LP032A 1725 1864 - .57 .53 .70 .85 .55 - - - - - - - - - - - - - -
+
50 LP032B 1725 1864 - .51 .45 .51 .66 .68 - - - - - - - - - - - - - -
+
51 LS078A 1847 1974 - - - - - .45 .53 .65 .71 .52 - - - - - - - - - -
+
52 LS078B 1857 1974 - - - - - - .72 .66 .73 .55 - - - - - - - - - -
+
53 LS085A 1805 1974 - - - - .65 .75 .74 .67 .57 .59 - - - - - - - - - -
+
54 LS085B 1806 1974 - - - - .70 .79 .83 .72 .62 .58 - - - - - - - - - -
+
55 LS091A 1801 1974 - - - - .78 .79 .57 .56 .61 .44 - - - - - - - - - -
+
56 LS091B 1800 1932 - - - - .70 .71 .59 .66 .60 - - - - - - - - - - -
+
57 LS102A 1816 1970 - - - - .64 .70 .65 .73 .58 .30 - - - - - - - - - -
+ ___B
58 LS102B 1834 1974 - - - - - .78 .67 .64 .73 .64 - - - - - - - - - -
+
59 LS110A 1739 1970 - .64 .63 .69 .72 .69 .59 .59 .57 .38 - - - - - - - - - -
+
60 LS110B 1789 1967 - - - .65 .67 .70 .63 .26 .00 .12 - - - - - - - - - -
+ ___B ___B ___B
61 LS114A 1851 1974 - - - - - - .78 .71 .57 .37 - - - - - - - - - -
+
62 LS114B 1852 1930 - - - - - - .71 .59 .57 - - - - - - - - - - -
+
63 LS127A 1816 1917 - - - - .71 .79 .71 .72 - - - - - - - - - - - -
+
64 LS127B 1814 1962 - - - - .73 .69 .59 .62 .66 .58 - - - - - - - - - -
+
65 LS133A 1755 1937 - - .73 .80 .83 .83 .79 .65 .62 - - - - - - - - - - -
+
66 LS133B 1763 1953 - - .70 .73 .71 .77 .79 .66 .42 .42 - - - - - - - - - -
+
67 LS139A 1783 1924 - - - .53 .79 .82 .52 .05 - - - - - - - - - - - -
+ ___B
68 LS139B 1731 1876 - .13 .11 .09 .30 .13 .12 - - - - - - - - - - - - -
+ ___B ___B ___B ___B ___B ___B
69 LS148A 1715 1880 .44 .63 .77 .78 .74 .65 .66 - - - - - - - - - - - - -
+
70 LS148B 1714 1860 -.05 .13 .27 .30 .36 .24 - - - - - - - - - - - - - -
+ ___B ___B ___B ___B ___B ___B
1 PART 7: DESCRIPTIVE STATISTICS: 13:24 Fri 13 JAN 1995 Page 6
-----------------------------------------------------------------------------------------------------------------------------------
Corr //-------- Unfiltered --------\\ //---- Filtered -----\\
No. No. No. with Mean Max Std Auto Mean Max Std Auto AR
Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr ()
--- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- --
1 LP001A 1762 1969 208 8 1 0.549 1.46 3.84 0.697 0.779 0.255 2.05 0.337 0.036 2
2 LP001B 1755 1972 218 8 0 0.579 1.54 4.44 0.738 0.755 0.248 1.88 0.252 -0.013 1
3 LP002A 1864 1972 109 4 0 0.550 2.63 5.32 0.910 0.641 0.239 1.92 0.316 0.024 1
4 LP002B 1844 1973 130 5 0 0.583 2.43 4.99 0.941 0.660 0.256 1.95 0.417 0.067 1
5 LP003A 1826 1973 148 5 0 0.622 2.14 5.53 0.881 0.569 0.310 2.03 0.386 0.020 1
6 LP003B 1825 1973 149 5 0 0.568 2.12 5.87 0.977 0.612 0.301 2.17 0.393 0.035 1
7 LP005A 1828 1973 146 5 0 0.559 2.03 8.10 1.231 0.857 0.249 2.00 0.363 -0.023 2
8 LP005B 1816 1973 158 6 0 0.607 1.92 6.50 1.359 0.898 0.219 1.95 0.367 -0.038 2
9 LP006A 1877 1973 97 3 1 0.457 1.42 2.96 0.628 0.698 0.266 2.07 0.459 -0.073 2
10 LP006B 1894 1973 80 3 0 0.556 1.08 2.40 0.449 0.627 0.266 2.03 0.403 -0.059 4
11 LP008A 1846 1973 128 5 0 0.553 1.86 4.60 0.807 0.564 0.317 2.07 0.380 -0.026 1
12 LP008B 1867 1973 107 4 0 0.648 1.49 3.35 0.592 0.604 0.288 2.11 0.365 -0.007 3
13 LP009A 1821 1973 153 6 0 0.506 1.67 3.77 0.666 0.689 0.248 2.02 0.368 -0.036 2
14 LP009B 1824 1971 148 6 2 0.399 1.87 5.76 0.948 0.796 0.253 2.10 0.365 -0.009 1
15 LP010A 1823 1973 151 6 0 0.592 1.60 3.77 0.726 0.653 0.328 2.04 0.360 -0.017 2
16 LP010B 1810 1973 164 6 0 0.649 1.36 4.19 0.676 0.738 0.306 2.09 0.367 -0.027 2
17 LP013A 1822 1878 57 3 0 0.625 2.34 5.58 1.270 0.729 0.324 2.01 0.423 -0.008 3
18 LP013B 1811 1878 68 3 0 0.671 2.04 4.29 1.059 0.618 0.339 1.91 0.403 0.095 1
19 LP014A 1808 1914 107 4 2 0.409 1.30 4.34 1.005 0.696 0.462 2.04 0.335 -0.053 2
20 LP014B 1835 1916 82 3 0 0.581 1.96 6.65 1.399 0.701 0.401 1.92 0.369 -0.093 2
21 LP015A 1826 1906 81 3 0 0.626 2.37 7.28 1.583 0.547 0.417 2.40 0.540 -0.013 2
22 LP015B 1837 1916 80 3 0 0.746 2.52 6.21 1.446 0.508 0.421 2.23 0.408 0.015 3
23 LP018A 1831 1911 81 3 1 0.389 1.53 5.54 1.006 0.728 0.322 2.20 0.507 -0.140 2
24 LP018B 1848 1915 68 3 0 0.515 1.46 4.72 0.957 0.713 0.331 2.08 0.360 -0.110 1
25 LP020A 1768 1916 149 6 0 0.590 2.14 8.74 1.357 0.806 0.274 1.83 0.211 -0.017 1
26 LP020B 1780 1889 110 4 0 0.627 2.52 9.65 1.673 0.830 0.258 2.24 0.470 0.001 3
27 LP021A 1710 1949 240 9 0 0.569 1.52 3.91 0.788 0.685 0.304 2.11 0.427 -0.011 1
28 LP021B 1726 1922 197 7 0 0.565 1.53 3.99 0.773 0.719 0.287 2.05 0.386 0.004 1
29 LP022A 1802 1969 168 6 0 0.668 1.61 6.00 1.169 0.776 0.345 2.13 0.389 -0.035 1
30 LP022B 1800 1969 170 6 0 0.578 1.28 4.60 1.093 0.811 0.368 2.19 0.402 -0.009 1
31 LP023A 1712 1881 170 7 1 0.577 1.62 5.98 1.010 0.747 0.356 1.98 0.349 -0.002 1
32 LP023B 1725 1845 121 4 0 0.527 1.70 5.46 1.069 0.692 0.462 2.04 0.444 -0.088 1
33 LP024A 1813 1972 160 6 0 0.541 2.13 7.98 1.486 0.747 0.370 2.11 0.365 -0.025 2
34 LP024B 1813 1959 147 6 0 0.551 2.35 6.93 1.490 0.770 0.351 2.11 0.302 0.005 2
35 LP025A 1772 1851 80 4 1 0.310 2.05 7.54 1.604 0.813 0.403 2.01 0.353 0.002 1
36 LP025B 1772 1851 80 4 4 0.275 1.98 5.41 1.375 0.594 0.433 2.17 0.413 0.027 1
37 LP026A 1755 1876 122 5 0 0.697 1.46 5.66 0.944 0.789 0.301 2.04 0.307 0.044 1
38 LP026B 1748 1876 129 6 0 0.637 1.75 5.42 1.025 0.734 0.319 2.21 0.378 0.078 1
39 LP027A 1799 1928 130 6 0 0.560 2.42 5.71 1.336 0.792 0.286 1.83 0.317 -0.002 3
40 LP027B 1806 1973 168 6 5 0.193 2.08 5.95 0.922 0.651 0.284 1.98 0.329 0.006 4
41 LP028A 1830 1963 134 5 1 0.528 1.64 6.01 1.136 0.814 0.326 2.13 0.395 0.022 1
42 LP028B 1831 1954 124 5 0 0.596 2.16 6.67 1.501 0.787 0.364 2.17 0.486 0.023 4
43 LP029A 1726 1877 152 6 4 0.239 0.99 2.48 0.509 0.565 0.340 2.33 0.366 0.000 2
44 LP029B 1739 1877 139 6 3 0.370 1.10 3.69 0.702 0.612 0.398 2.08 0.352 0.007 1
45 LP030A 1744 1970 227 9 4 0.315 0.87 3.21 0.518 0.673 0.324 2.05 0.296 -0.021 1
46 LP030B 1810 1968 159 6 0 0.490 0.56 1.33 0.211 0.538 0.262 2.21 0.414 0.000 1
47 LP031A 1830 1973 144 5 0 0.616 1.19 2.57 0.528 0.778 0.241 2.07 0.468 -0.050 1
48 LP031B 1830 1973 144 5 0 0.684 1.23 2.91 0.532 0.781 0.234 2.04 0.398 -0.016 1
1 PART 7: DESCRIPTIVE STATISTICS: 13:24 Fri 13 JAN 1995 Page 7
-----------------------------------------------------------------------------------------------------------------------------------
Corr //-------- Unfiltered --------\\ //---- Filtered -----\\
No. No. No. with Mean Max Std Auto Mean Max Std Auto AR
Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr ()
--- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- --
49 LP032A 1725 1864 140 5 0 0.580 1.08 3.67 0.653 0.610 0.341 2.06 0.404 -0.085 2
50 LP032B 1725 1864 140 5 0 0.559 0.68 2.22 0.359 0.626 0.308 2.10 0.377 -0.007 1
51 LS078A 1847 1974 128 5 0 0.549 1.99 3.59 0.769 0.522 0.293 1.96 0.321 0.043 1
52 LS078B 1857 1974 118 4 0 0.658 1.72 3.63 0.658 0.428 0.329 2.13 0.431 0.001 1
53 LS085A 1805 1974 170 6 0 0.632 1.15 2.55 0.436 0.568 0.273 2.11 0.331 0.025 1
54 LS085B 1806 1974 169 6 0 0.687 1.44 3.52 0.554 0.597 0.268 2.18 0.324 -0.034 2
55 LS091A 1801 1974 174 6 0 0.608 1.12 3.10 0.468 0.730 0.219 2.03 0.289 -0.040 2
56 LS091B 1800 1932 133 5 0 0.646 1.58 4.99 0.955 0.798 0.266 2.35 0.321 -0.002 1
57 LS102A 1816 1970 155 6 1 0.568 1.20 3.47 0.514 0.766 0.222 2.03 0.358 0.011 1
58 LS102B 1834 1974 141 5 0 0.674 1.45 4.15 0.658 0.708 0.267 2.12 0.404 -0.021 3
59 LS110A 1739 1970 232 9 0 0.587 0.89 2.94 0.445 0.727 0.251 1.80 0.238 0.016 1
60 LS110B 1789 1967 179 7 3 0.431 1.27 5.00 0.828 0.832 0.279 2.01 0.394 -0.005 1
61 LS114A 1851 1974 124 4 0 0.571 1.19 3.41 0.609 0.764 0.240 2.07 0.423 -0.070 2
62 LS114B 1852 1930 79 3 0 0.609 1.09 2.88 0.498 0.656 0.264 2.22 0.350 -0.041 3
63 LS127A 1816 1917 102 4 0 0.705 1.84 5.64 0.980 0.691 0.336 1.99 0.380 -0.004 1
64 LS127B 1814 1962 149 6 0 0.630 1.81 6.46 1.119 0.797 0.285 2.02 0.382 -0.018 1
65 LS133A 1755 1937 183 7 0 0.738 1.05 3.00 0.440 0.694 0.253 1.92 0.291 0.002 1
66 LS133B 1763 1953 191 8 0 0.637 1.10 3.35 0.476 0.663 0.259 1.96 0.310 -0.033 3
67 LS139A 1783 1924 142 5 1 0.412 1.94 6.92 1.192 0.732 0.361 1.95 0.309 -0.043 3
68 LS139B 1731 1876 146 6 6 0.102 2.00 5.60 0.959 0.561 0.346 2.14 0.485 -0.029 2
69 LS148A 1715 1880 166 7 0 0.638 1.57 5.04 0.752 0.530 0.342 2.27 0.486 0.054 1
70 LS148B 1714 1860 147 6 6 0.180 1.44 6.09 1.133 0.805 0.305 2.11 0.447 0.004 1
--- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- --
Total or mean: 9790 374 47 0.545 1.59 9.65 0.863 0.700 0.302 2.40 0.369 -0.009