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 : IA015.CRN Measurement file name : IA015.RWL Date checked : 16DEC94 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1735 Ending year : 1977 Principal investigators: R. LANDERS (D. DUVICK) Site name : BACKBONE STATE PARK Site location : IOWA, USA Species information : QUAL WHITE OAK Latitude : 4237N Longitude : 9134W Elevation : 335 M Series intercorrelation: 0.680 Avg mean sensitivity : 0.238 Avg standard deviation : 0.532 Avg autocorrelation : 0.655 Number dated series : 22 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.74 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Comments: EXCELLENT HIGH QUALITY CHRONOLOGY 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 16:09 Fri 16 DEC 1994 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 1 782071 1855 1977 - - - - - .67 .73 .78 .78 .71 - - - - - - - - - - + 2 782072 1858 1977 - - - - - .83 .83 .81 .78 .76 - - - - - - - - - - + 3 782081 1888 1977 - - - - - - .84 .84 .78 .79 - - - - - - - - - - + 4 782082 1850 1977 - - - - - .66 .82 .83 .63 .64 - - - - - - - - - - + 5 782091 1869 1977 - - - - - .74 .75 .82 .73 .72 - - - - - - - - - - + 6 782092 1877 1977 - - - - - - .73 .80 .79 .74 - - - - - - - - - - + 7 782101 1874 1977 - - - - - .81 .82 .71 .49 .49 - - - - - - - - - - + 8 782102 1855 1977 - - - - - .77 .82 .82 .73 .71 - - - - - - - - - - + 9 782111 1840 1977 - - - - .71 .65 .61 .75 .77 .81 - - - - - - - - - - + 10 782112 1840 1977 - - - - .43 .61 .66 .78 .78 .82 - - - - - - - - - - + 11 782121 1836 1977 - - - - .62 .69 .68 .76 .76 .75 - - - - - - - - - - + 12 782122 1828 1977 - - - - .71 .69 .71 .83 .82 .82 - - - - - - - - - - + 13 782591 1809 1977 - - - .61 .56 .68 .69 .75 .67 .67 - - - - - - - - - - + 14 782592 1809 1977 - - - .62 .67 .66 .71 .70 .53 .53 - - - - - - - - - - + 15 782701 1738 1977 .73 .64 .39 .22 .42 .68 .78 .77 .74 .74 - - - - - - - - - - + ___B 16 782702 1735 1977 .73 .64 .59 .46 .52 .82 .80 .79 .81 .82 - - - - - - - - - - + 17 782711 1803 1975 - - - .64 .69 .75 .80 .71 .59 .59 - - - - - - - - - - + 18 782712 1814 1975 - - - .50 .48 .65 .67 .78 .72 .72 - - - - - - - - - - + 19 782741 1834 1977 - - - - .58 .78 .83 .84 .81 .83 - - - - - - - - - - + 20 782742 1852 1977 - - - - - .66 .89 .89 .85 .86 - - - - - - - - - - + 21 782751 1815 1977 - - - .59 .69 .63 .48 .54 .49 .56 - - - - - - - - - - + 22 782752 1819 1977 - - - .63 .68 .68 .69 .79 .58 .60 - - - - - - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 16:09 Fri 16 DEC 1994 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- 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 782071 1855 1977 123 5 0 0.685 1.46 2.71 0.473 0.752 0.181 1.93 0.382 -0.018 1 2 782072 1858 1977 120 5 0 0.777 1.67 4.36 0.641 0.732 0.215 2.12 0.426 0.035 1 3 782081 1888 1977 90 4 0 0.797 1.87 3.84 0.652 0.326 0.358 2.15 0.376 0.007 1 4 782082 1850 1977 128 5 0 0.681 1.34 3.60 0.548 0.558 0.262 2.05 0.409 0.014 1 5 782091 1869 1977 109 5 0 0.727 1.71 4.03 0.636 0.554 0.234 2.12 0.391 -0.039 1 6 782092 1877 1977 101 4 0 0.739 1.77 4.92 0.800 0.527 0.279 2.06 0.407 0.004 1 7 782101 1874 1977 104 5 0 0.640 1.90 4.89 0.662 0.433 0.268 2.29 0.445 -0.022 1 8 782102 1855 1977 123 5 0 0.753 1.62 3.24 0.570 0.616 0.252 2.03 0.409 -0.023 2 9 782111 1840 1977 138 6 0 0.702 1.33 3.39 0.445 0.508 0.214 2.07 0.381 0.063 1 10 782112 1840 1977 138 6 0 0.661 1.30 5.91 0.642 0.694 0.235 2.11 0.396 -0.013 1 11 782121 1836 1977 142 6 0 0.691 1.52 2.81 0.524 0.711 0.193 1.97 0.311 -0.033 1 12 782122 1828 1977 150 6 0 0.750 1.55 3.15 0.453 0.637 0.190 2.07 0.318 -0.003 1 13 782591 1809 1977 169 7 0 0.651 1.15 2.49 0.500 0.837 0.182 2.15 0.450 0.009 1 14 782592 1809 1977 169 7 0 0.627 1.11 2.17 0.472 0.847 0.181 1.91 0.290 0.011 1 15 782701 1738 1977 240 10 1 0.580 0.87 2.80 0.440 0.712 0.248 2.13 0.315 -0.027 2 16 782702 1735 1977 243 10 0 0.681 0.85 2.85 0.418 0.700 0.267 2.04 0.361 -0.024 3 17 782711 1803 1975 173 7 0 0.670 1.24 3.25 0.571 0.663 0.261 2.15 0.335 0.007 1 18 782712 1814 1975 162 7 0 0.646 1.09 2.44 0.376 0.523 0.248 2.14 0.398 0.007 2 19 782741 1834 1977 144 6 0 0.740 1.47 4.48 0.746 0.685 0.276 2.17 0.432 0.021 1 20 782742 1852 1977 126 5 0 0.783 1.44 4.15 0.614 0.584 0.265 2.12 0.414 -0.001 1 21 782751 1815 1977 163 7 0 0.545 1.09 2.43 0.446 0.712 0.229 1.97 0.308 -0.026 3 22 782752 1819 1977 159 7 0 0.638 1.17 2.44 0.472 0.708 0.240 1.96 0.298 0.021 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3214 135 1 0.680 1.32 5.91 0.532 0.655 0.238 2.29 0.369 -0.002