Tuttle House, Ipswich - MA011 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 Society for the Preservation of New England Antiquities (SPNEA) together with an anonymous donor and the Boston central Artery Archaeological Project. 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 : MA011.CRN Measurement file name : MA011.RWL Date checked : 22MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1495 Ending year : 1671 Principal investigators: D.Miles Site name : Tuttle House, Ipswich Site location : Mass. Species information : QUSP OAK Latitude : 4241 Longitude : -07051 Elevation : 15M Series intercorrelation: 0.403 Avg mean sensitivity : 0.151 Avg standard deviation : 0.374 Avg autocorrelation : 0.743 Number dated series : 6 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 19.23 PART 5: CORRELATION OF SERIES BY SEGMENTS: ma011.rwl 10:36 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 1500 1525 1550 1575 1600 1625 1549 1574 1599 1624 1649 1674 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ith10b 1495 1670 .51 .55 .46 .40 .29A .34 2 ith13a2 1575 1670 .63 .52 .35 3 ith14 1542 1638 .38 .59 .32B .27B 4 ith15 1515 1640 .39 .43 .40 .41 .38 5 ith16 1515 1643 .51 .55 .52 .41 .45 6 ith18 1598 1671 .21B .21B .34 Av segment correlation .47 .48 .49 .40 .35 .34 PART 7: DESCRIPTIVE STATISTICS: ma011.rwl 10:36 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 ith10b 1495 1670 176 6 1 .415 1.36 2.89 .367 .679 .142 2.78 .501 -.015 1 2 ith13a2 1575 1670 96 3 0 .462 1.17 3.39 .582 .930 .136 2.63 .423 -.014 1 3 ith14 1542 1638 97 4 2 .312 1.34 2.45 .371 .659 .187 2.59 .472 .002 1 4 ith15 1515 1640 126 5 0 .405 1.02 2.17 .279 .755 .123 2.83 .484 -.039 2 5 ith16 1515 1643 129 5 0 .460 1.08 2.04 .326 .682 .180 2.77 .594 -.018 1 6 ith18 1598 1671 74 3 2 .311 1.06 1.80 .372 .849 .137 2.56 .398 -.094 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 698 26 5 .403 1.19 3.39 .374 .743 .151 2.83 .489 -.026