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 : IA014.CRN Measurement file name : IA014.RWL Date checked : 16DEC94 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1774 Ending year : 1977 Principal investigators: R. LANDERS (D. DUVICK) Site name : BACKBONE STATE PARK Site location : IOWA, USA Species information : PIST EASTERN WHITE PINE Latitude : 4237N Longitude : 9134W Elevation : 335 M Series intercorrelation: 0.631 Avg mean sensitivity : 0.266 Avg standard deviation : 0.981 Avg autocorrelation : 0.789 Number dated series : 43 Segment length tested : 50 Number problem segments: 15 Pct problem segments : 6.94 Are there obvious misdated series? YES Number possible misdated series : 2 Percent misdated series : 4.65 Comments: #13 781121 1827-1899, #14 781122 1827-1876 ARE MISDATED #31 781621 1778-1899 HAS LOW CORRELATION - SHOULD DELETED #43 781551 1828-1877, 1850-1949 HAS LOW CORRELATION - PROBABLY BELONGS SOMEWHERE ELSE THAN AT DATED POSITION - SHOULD DELETED CHRONOLOGY NOT RELIABLE PRIOR TO 1824 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 16:08 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 1775 1800 1825 1850 1875 1900 1925 1950 1824 1849 1874 1899 1924 1949 1974 1999 1 781031 1821 1973 - .44 .51 .75 .76 .68 .56 - - - - - - - - - - - - - + 2 781032 1868 1973 - - - .80 .79 .81 .72 - - - - - - - - - - - - - + 3 781051 1843 1973 - - .71 .74 .74 .77 .78 - - - - - - - - - - - - - + 4 781052 1840 1973 - - .72 .80 .85 .81 .76 - - - - - - - - - - - - - + 5 781061 1845 1973 - - .60 .61 .77 .73 .66 - - - - - - - - - - - - - + 6 781062 1832 1973 - - .41 .65 .82 .81 .78 - - - - - - - - - - - - - + 7 781071 1838 1973 - - .28 .45 .74 .81 .81 - - - - - - - - - - - - - + ___B 8 781072 1840 1973 - - .46 .67 .61 .65 .79 - - - - - - - - - - - - - + 9 781081 1841 1973 - - .70 .73 .75 .80 .73 - - - - - - - - - - - - - + 10 781082 1851 1973 - - - .65 .59 .65 .65 - - - - - - - - - - - - - + 11 781111 1897 1973 - - - - .74 .75 .61 - - - - - - - - - - - - - + 12 781112 1910 1973 - - - - - .71 .70 - - - - - - - - - - - - - + 13 781121 1827 1973 - - -.07 .11 .55 .71 .68 - - - - - - - - - - - - - + ___B ___B 14 781122 1827 1973 - - -.09 .35 .68 .74 .67 - - - - - - - - - - - - - + ___B 15 781531 1908 1975 - - - - - .73 .75 .73 - - - - - - - - - - - - + 16 781532 1879 1975 - - - - .59 .61 .55 .51 - - - - - - - - - - - - + 17 781541 1816 1977 - .56 .58 .79 .87 .80 .76 .75 - - - - - - - - - - - - + 18 781542 1851 1977 - - - .83 .84 .74 .65 .66 - - - - - - - - - - - - + 19 781552 1855 1977 - - - .57 .58 .72 .70 .73 - - - - - - - - - - - - + 20 781553 1845 1977 - - .71 .68 .68 .77 .70 .71 - - - - - - - - - - - - + 21 781561 1876 1977 - - - - .65 .78 .76 .75 - - - - - - - - - - - - + 22 781562 1869 1977 - - - .62 .66 .74 .76 .73 - - - - - - - - - - - - + 23 781571 1854 1975 - - - .67 .73 .83 .75 .74 - - - - - - - - - - - - + 24 781572 1866 1975 - - - .84 .83 .87 .78 .76 - - - - - - - - - - - - + 25 781581 1888 1977 - - - - .57 .56 .72 .66 - - - - - - - - - - - - + 26 781582 1891 1977 - - - - .57 .60 .70 .71 - - - - - - - - - - - - + 27 781601 1855 1977 - - - .69 .55 .57 .53 .52 - - - - - - - - - - - - + 28 781602 1862 1977 - - - .79 .74 .74 .54 .55 - - - - - - - - - - - - + 29 781611 1846 1976 - - .53 .55 .67 .71 .63 .63 - - - - - - - - - - - - + 30 781612 1831 1977 - - .55 .61 .68 .68 .69 .69 - - - - - - - - - - - - + 31 781621 1778 1977 .20 .18 -.01 .27 .53 .72 .72 .70 - - - - - - - - - - - - + ___B ___B ___B ___A 32 781622 1774 1977 .23 .38 .43 .58 .70 .74 .68 .60 - - - - - - - - - - - - + ___A 33 781631 1839 1977 - - .24 .37 .76 .77 .74 .74 - - - - - - - - - - - - + ___A 34 781632 1844 1977 - - .29 .36 .74 .73 .73 .73 - - - - - - - - - - - - + ___A 35 781681 1865 1977 - - - .72 .71 .63 .63 .62 - - - - - - - - - - - - + 36 781682 1868 1977 - - - .69 .70 .64 .52 .55 - - - - - - - - - - - - + 37 781721 1863 1975 - - - .79 .76 .64 .71 .69 - - - - - - - - - - - - + 38 781722 1866 1975 - - - .85 .82 .82 .85 .84 - - - - - - - - - - - - + 39 781731 1862 1975 - - - .72 .75 .69 .76 .67 - - - - - - - - - - - - + 40 781732 1862 1975 - - - .81 .84 .80 .76 .72 - - - - - - - - - - - - + 41 781741 1865 1971 - - - .78 .75 .73 .67 - - - - - - - - - - - - - + 42 781742 1867 1975 - - - .69 .69 .83 .77 .76 - - - - - - - - - - - - + 43 781551 1828 1977 - - -.15 .19 .35 .10 .34 .31 - - - - - - - - - - - - + ___B ___B ___B ___A 1 PART 7: DESCRIPTIVE STATISTICS: 16:08 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 781031 1821 1973 153 6 0 0.563 1.81 5.25 1.154 0.830 0.258 2.10 0.244 -0.015 1 2 781032 1868 1973 106 4 0 0.753 1.28 4.97 0.859 0.743 0.283 2.04 0.323 -0.022 1 3 781051 1843 1973 131 5 0 0.750 1.83 4.86 0.862 0.727 0.251 2.03 0.246 0.022 2 4 781052 1840 1973 134 5 0 0.757 1.76 4.56 0.996 0.792 0.275 1.89 0.259 0.010 1 5 781061 1845 1973 129 5 0 0.655 1.96 4.50 0.835 0.777 0.242 2.01 0.357 0.017 1 6 781062 1832 1973 142 5 0 0.673 1.69 3.07 0.502 0.524 0.241 2.06 0.360 -0.002 1 7 781071 1838 1973 136 5 1 0.598 1.74 6.09 1.243 0.832 0.310 1.94 0.279 -0.025 1 8 781072 1840 1973 134 5 0 0.614 0.97 3.50 0.764 0.854 0.300 2.21 0.315 -0.005 1 9 781081 1841 1973 133 5 0 0.727 2.33 6.74 1.439 0.771 0.287 2.17 0.451 0.046 2 10 781082 1851 1973 123 4 0 0.635 2.29 7.89 1.609 0.802 0.307 2.15 0.335 -0.050 5 11 781111 1897 1973 77 3 0 0.674 0.77 2.37 0.504 0.830 0.294 1.90 0.286 -0.015 2 12 781112 1910 1973 64 2 0 0.691 1.05 2.65 0.468 0.679 0.285 1.98 0.348 0.034 1 13 781121 1827 1973 147 5 2 0.387 0.57 2.82 0.512 0.811 0.327 2.11 0.334 -0.014 1 14 781122 1827 1973 147 5 1 0.481 0.39 1.25 0.260 0.755 0.374 2.09 0.404 -0.014 1 15 781531 1908 1975 68 3 0 0.692 1.98 9.98 1.864 0.860 0.318 1.98 0.379 0.001 1 16 781532 1879 1975 97 4 0 0.552 0.73 3.05 0.580 0.875 0.318 2.04 0.334 0.007 1 17 781541 1816 1977 162 7 0 0.727 1.56 3.98 0.662 0.723 0.260 1.98 0.375 0.025 1 18 781542 1851 1977 127 5 0 0.744 1.63 4.72 0.792 0.807 0.225 2.15 0.426 -0.006 1 19 781552 1855 1977 123 5 0 0.655 1.16 2.55 0.465 0.789 0.210 2.02 0.398 -0.039 1 20 781553 1845 1977 133 6 0 0.683 1.52 5.04 0.758 0.815 0.220 1.96 0.305 0.031 2 21 781561 1876 1977 102 4 0 0.707 1.64 3.57 0.705 0.762 0.225 1.98 0.407 -0.023 1 22 781562 1869 1977 109 5 0 0.695 1.53 3.44 0.638 0.676 0.250 2.13 0.423 0.058 1 23 781571 1854 1975 122 5 0 0.723 2.37 7.66 1.704 0.776 0.313 2.07 0.328 -0.035 1 24 781572 1866 1975 110 5 0 0.811 2.23 7.41 1.362 0.800 0.265 2.04 0.339 -0.049 1 25 781581 1888 1977 90 4 0 0.605 2.70 8.86 1.816 0.863 0.240 2.04 0.436 -0.045 1 26 781582 1891 1977 87 4 0 0.660 2.44 7.06 1.430 0.867 0.230 2.28 0.443 0.019 1 27 781601 1855 1977 123 5 0 0.561 2.38 8.11 1.923 0.903 0.249 2.07 0.374 -0.003 1 28 781602 1862 1977 116 5 0 0.657 2.46 7.60 1.752 0.907 0.231 2.07 0.366 0.011 1 29 781611 1846 1976 131 6 0 0.600 2.38 9.98 2.162 0.833 0.300 1.89 0.340 -0.022 1 30 781612 1831 1977 147 6 0 0.640 0.69 2.00 0.332 0.629 0.309 2.10 0.363 -0.045 1 31 781621 1778 1977 200 8 4 0.395 0.96 2.85 0.407 0.757 0.217 2.02 0.303 -0.032 2 32 781622 1774 1977 204 8 1 0.476 0.92 3.58 0.557 0.886 0.210 1.99 0.353 0.030 1 33 781631 1839 1977 139 6 1 0.581 1.36 2.97 0.556 0.680 0.281 2.11 0.434 0.058 2 34 781632 1844 1977 134 6 1 0.576 1.56 4.59 0.642 0.571 0.297 2.20 0.360 0.040 3 35 781681 1865 1977 113 5 0 0.669 1.47 4.24 0.935 0.849 0.276 1.94 0.266 0.009 2 36 781682 1868 1977 110 5 0 0.607 1.33 3.34 0.780 0.877 0.281 1.96 0.428 -0.022 1 37 781721 1863 1975 113 5 0 0.740 1.93 5.63 1.236 0.889 0.251 2.11 0.343 0.084 2 38 781722 1866 1975 110 5 0 0.835 2.47 8.01 1.570 0.874 0.245 1.96 0.327 -0.008 1 39 781731 1862 1975 114 5 0 0.695 1.76 5.32 0.954 0.826 0.235 2.08 0.364 0.033 1 40 781732 1862 1975 114 5 0 0.769 1.74 4.69 0.802 0.737 0.246 2.33 0.447 0.057 1 41 781741 1865 1971 107 4 0 0.719 3.08 8.92 2.173 0.870 0.242 2.18 0.329 -0.016 1 42 781742 1867 1975 109 5 0 0.735 2.60 7.31 1.909 0.857 0.281 2.00 0.388 -0.038 1 43 781551 1828 1977 150 6 4 0.219 1.12 2.52 0.485 0.809 0.223 1.99 0.397 0.006 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5320 216 15 0.631 1.63 9.98 0.981 0.789 0.266 2.33 0.354 0.001