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 : VA20.RWL Date checked : 22MAR95 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1836 Ending year : 2065 Principal investigators: R.L. PHIPPS Site name : GREAT DISMAL SWAMP Site location : VIRGINIA, USA Species information : PITA LOBLOLLY PINE Latitude : 3640N Longitude : 7632W Elevation : 26 M Series intercorrelation: 0.625 Avg mean sensitivity : 0.387 Avg standard deviation : 1.016 Avg autocorrelation : 0.576 Number dated series : 22 Segment length tested : 50 Number problem segments: 20 Pct problem segments : 19.42 Are there obvious misdated series? YES Number possible misdated series : 6 Percent misdated series : 27.27 Comments: #2 4000 SERIES, #3 4001 SERIES, #4 4002 SERIES, #16 4021 1839-1899, #17 4022 1850-1924, #18 4023 1849-1924 ARE ALL MISDATED THESE SIX OBVIOUS MISDATES CAN EASILY BE CORRECTED 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 14:56 Wed 22 MAR 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 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 1 3996 1857 2065 - .83 .86 .85 .79 .77 - - - - - - - - - - - - - - + 2 4000 1884 1975 - - .01 .22 .37 .38 - - - - - - - - - - - - - - + ___B ___B ___B ___B 3 4001 1885 1975 - - .08 .20 .27 .30 - - - - - - - - - - - - - - + ___B ___B ___B ___B 4 4002 1910 1975 - - - .18 .25 .25 - - - - - - - - - - - - - - + ___B ___B ___B 5 4003 1915 1975 - - - .90 .79 .79 - - - - - - - - - - - - - - + 6 4005 1869 1975 - .66 .66 .75 .61 .61 - - - - - - - - - - - - - - + 7 4012 1868 1975 - .48 .59 .76 .66 .69 - - - - - - - - - - - - - - + ___B 8 4013 1895 1975 - - .63 .65 .62 .63 - - - - - - - - - - - - - - + 9 4014 1880 1975 - - .81 .74 .69 .65 - - - - - - - - - - - - - - + 10 4015 1914 1975 - - - .86 .67 .63 - - - - - - - - - - - - - - + 11 4016 1866 1975 - .78 .71 .78 .80 .80 - - - - - - - - - - - - - - + 12 4017 1863 1975 - .81 .81 .84 .81 .79 - - - - - - - - - - - - - - + 13 4018 1875 1975 - - .81 .81 .80 .81 - - - - - - - - - - - - - - + 14 4019 1869 1975 - .79 .81 .85 .71 .71 - - - - - - - - - - - - - - + 15 4020 1868 1975 - .83 .83 .81 .80 .80 - - - - - - - - - - - - - - + 16 4021 1839 1975 .16 .21 .58 .77 .77 .77 - - - - - - - - - - - - - - + ___B ___B 17 4022 1836 1975 .20 .19 .41 .66 .68 .66 - - - - - - - - - - - - - - + ___A ___B ___B 18 4023 1849 1975 -.15 -.16 .23 .70 .82 .82 - - - - - - - - - - - - - - + ___B ___B ___B 19 4024 1863 1975 - .83 .85 .88 .77 .78 - - - - - - - - - - - - - - + 20 4025 1855 1975 - .80 .79 .85 .80 .80 - - - - - - - - - - - - - - + 21 4028 1861 1975 - .84 .73 .76 .74 .74 - - - - - - - - - - - - - - + 22 4029 1848 1975 .57 .73 .68 .65 .61 .60 - - - - - - - - - - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 14:56 Wed 22 MAR 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 3996 1857 2065 209 5 0 0.793 1.84 6.20 1.045 0.646 0.371 2.32 0.502 0.031 1 2 4000 1884 1975 92 4 4 0.215 1.67 4.85 0.957 0.647 0.405 2.14 0.484 0.073 1 3 4001 1885 1975 91 4 4 0.193 1.81 4.26 1.017 0.600 0.440 2.08 0.391 0.025 1 4 4002 1910 1975 66 3 3 0.210 2.81 7.81 1.679 0.384 0.476 2.06 0.499 0.045 1 5 4003 1915 1975 61 3 0 0.817 3.04 8.60 2.014 0.554 0.467 2.09 0.488 0.034 1 6 4005 1869 1975 107 5 0 0.642 1.18 4.32 0.848 0.653 0.433 2.23 0.393 0.014 1 7 4012 1868 1975 108 5 1 0.618 1.33 2.90 0.622 0.498 0.391 1.99 0.360 -0.004 1 8 4013 1895 1975 81 4 0 0.601 1.82 3.95 0.917 0.573 0.381 2.08 0.457 0.043 1 9 4014 1880 1975 96 4 0 0.719 2.10 6.67 1.448 0.620 0.457 2.32 0.502 -0.031 1 10 4015 1914 1975 62 3 0 0.666 3.22 7.25 1.865 0.644 0.395 1.82 0.275 -0.008 1 11 4016 1866 1975 110 5 0 0.768 1.79 8.01 1.115 0.643 0.356 2.14 0.472 0.064 1 12 4017 1863 1975 113 5 0 0.802 1.73 8.64 1.161 0.631 0.403 2.08 0.358 0.015 1 13 4018 1875 1975 101 4 0 0.803 1.75 5.51 0.911 0.532 0.361 2.32 0.517 0.064 1 14 4019 1869 1975 107 5 0 0.757 1.92 5.58 1.160 0.643 0.378 2.21 0.396 0.043 1 15 4020 1868 1975 108 5 0 0.808 1.66 5.09 1.003 0.545 0.404 2.11 0.442 -0.062 1 16 4021 1839 1975 137 6 2 0.516 1.17 5.24 0.684 0.549 0.364 2.30 0.425 0.025 1 17 4022 1836 1975 140 6 3 0.431 1.40 6.94 1.171 0.689 0.342 2.47 0.425 0.003 1 18 4023 1849 1975 127 6 3 0.351 1.52 5.56 0.816 0.523 0.343 2.49 0.434 0.031 2 19 4024 1863 1975 113 5 0 0.806 1.68 5.00 0.901 0.570 0.325 2.26 0.500 0.074 1 20 4025 1855 1975 121 5 0 0.801 1.66 6.08 0.738 0.427 0.325 2.27 0.419 0.031 1 21 4028 1861 1975 115 5 0 0.745 1.61 4.91 0.840 0.463 0.420 1.99 0.305 -0.012 1 22 4029 1848 1975 128 6 0 0.584 1.27 4.17 0.667 0.547 0.409 2.20 0.309 0.010 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2393 103 20 0.625 1.73 8.64 1.016 0.576 0.387 2.49 0.426 0.023