Cooper-Frost-Austin House, Cambridge - MA006 Additional Site Information Daniel Miles Purpose of Collection: Archaeological Dating Tree Species: White and Red Oak, Q. alba and Q. rubra Funding Sources: This material was paid for by a grant from the Massachusetts Historical Commission with matching grants from the Fairbanks Family Association, the Winthrop Improvement and Historical Association, and the Society for the Preservation of New England Antiquities (SPNEA) through an anonymous donation. Reference: Miles, D.W.H., M.J. Worthington, and A.A. Grady, 2002, Development of Standard Tree-ring Chronologies for Dating Historic Structures in Eastern Massachusetts, Phase II, Society for the Preservation of New England Antiquities, Interim Report 2002/6, Boston, MA. COFECHA output: Chronology file name : MA006.CRN Measurement file name : MA006.RWL Date checked : 22MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1527 Ending year : 1680 Principal investigators: D.Miles Site name : Cooper-Frost-Austin House, Cambridge Site location : Mass. Species information : QUSP OAK Latitude : 4223 Longitude : -07106 Elevation : 15M Series intercorrelation: 0.354 Avg mean sensitivity : 0.132 Avg standard deviation : 0.523 Avg autocorrelation : 0.863 Number dated series : 6 Segment length tested : 50 Number problem segments: 10 Pct problem segments : 50.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: ma006.rwl 10:35 Tue 22 Mar 2005 Page 5 ------------------------------------------------------------------------------------------------------------------------------------ Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1550 1575 1600 1625 1650 1599 1624 1649 1674 1699 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 cfa1 1527 1680 .18B .42 .33A .41 .54 2 cfa2 1571 1671 .43 .47 .30B .40 3 cfa3a 1553 1676 .20B .42 .34 .29A .29B 4 cfa3b 1658 1676 .56 5 cfa3c 1672 1680 .84 6 cfa6 1577 1675 .29A .24B .33B .33B Av segment correlation .27 .40 .30 .36 .51 PART 7: DESCRIPTIVE STATISTICS: ma006.rwl 10:35 Tue 22 Mar 2005 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 cfa1 1527 1680 154 5 2 .368 1.30 3.06 .501 .917 .125 2.48 .386 .009 1 2 cfa2 1571 1671 101 4 1 .404 1.13 1.90 .322 .837 .115 2.90 .410 .027 1 3 cfa3a 1553 1676 124 5 3 .277 1.72 4.73 .974 .924 .152 2.88 .403 .042 1 4 cfa3b 1658 1676 19 1 0 .563 .87 1.19 .181 .685 .134 2.65 .602 .110 1 5 cfa3c 1672 1680 9 1 0 .837 .96 1.13 .127 .058 .139 2.52 .954 -.052 1 6 cfa6 1577 1675 99 4 4 .297 1.06 1.81 .298 .838 .134 2.52 .376 -.061 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 506 20 10 .354 1.30 4.73 .523 .863 .132 2.90 .411 .010