Pierce House, Dorchester - MA012 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 : MA012.CRN Measurement file name : MA012.RWL Date checked : 22MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1362 Ending year : 1711 Principal investigators: D.Miles Site name : Pierce House, Dorchester Site location : Mass. Species information : QUSP OAK Latitude : 4218 Longitude : -07104 Elevation : 15M Series intercorrelation: 0.572 Avg mean sensitivity : 0.177 Avg standard deviation : 0.424 Avg autocorrelation : 0.724 Number dated series : 22 Segment length tested : 50 Number problem segments: 13 Pct problem segments : 17.81 PART 5: CORRELATION OF SERIES BY SEGMENTS: ma012.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 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 phd1 1554 1682 .67 .46 .42 .70 .60 2 phd2a1 1546 1610 .30A .31A .40 3 phd2a2 1611 1637 .11B 4 ph2a3 1638 1682 .67 5 phd2b2 1593 1682 .55 .58 .74 .77 6 phd3a 1563 1662 .41 .26B .36 .47 7 phd4a 1538 1670 .23B .27A .26A .44 .70 8 phd4b 1600 1681 .36 .56 .54 9 phd5b1 1521 1672 .45 .48B .48 .32A .59 .68 10 phd6a 1412 1536 .74 .77 .80 .82 .79 11 phd6b 1453 1553 .88 .79 .59 .59 12 phd7 1362 1523 .74 .76 .79 .65 13 phd8a 1537 1682 .51 .71 .48 .59 .79 .79 14 phd8b 1553 1682 .63 .48 .65 .78 .73 15 phd9 1613 1682 .48 .59 .55 16 phd10a 1632 1682 .74 .74 17 phd10b 1639 1682 .72 18 phd12a 1654 1703 .77 19 phd12b 1694 1711 .55 20 phd14 1628 1682 .60 .53 21 phd15 1597 1673 .30A .26A .62 22 phd18 1583 1676 .25B .30B .53 .56 Av segment correlation .74 .77 .83 .75 .61 .42 .50 .38 .43 .66 .66 .55 PART 7: DESCRIPTIVE STATISTICS: ma012.rwl 10:36 Tue 22 Mar 2005 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 phd1 1554 1682 129 5 0 .563 1.47 3.48 .462 .691 .158 2.70 .491 -.008 1 2 phd2a1 1546 1610 65 3 2 .296 1.28 2.06 .283 .555 .162 2.62 .446 .028 1 3 phd2a2 1611 1637 27 1 1 .115 .94 1.48 .284 .696 .188 2.71 .618 -.018 4 4 ph2a3 1638 1682 45 1 0 .666 1.02 1.68 .378 .809 .188 2.62 .563 .089 2 5 phd2b2 1593 1682 90 4 0 .633 1.07 1.85 .332 .775 .163 2.69 .412 .014 1 6 phd3a 1563 1662 100 4 1 .427 1.21 2.42 .385 .732 .184 2.59 .357 -.067 1 7 phd4a 1538 1670 133 5 3 .394 1.28 2.65 .615 .906 .170 2.74 .356 -.025 1 8 phd4b 1600 1681 82 3 0 .494 1.76 3.29 .550 .674 .209 2.84 .507 .033 1 9 phd5b1 1521 1672 152 6 2 .516 1.21 3.22 .509 .764 .201 2.54 .355 -.036 2 10 phd6a 1412 1536 125 5 0 .765 1.05 1.94 .343 .778 .175 2.71 .509 -.016 1 11 phd6b 1453 1553 101 4 0 .739 1.08 1.86 .286 .609 .179 2.60 .427 .040 1 12 phd7 1362 1523 162 4 0 .703 .87 1.70 .350 .786 .230 2.61 .397 -.062 1 13 phd8a 1537 1682 146 6 0 .607 1.74 3.44 .512 .731 .164 2.70 .477 -.003 1 14 phd8b 1553 1682 130 5 0 .640 1.69 2.98 .473 .693 .173 2.73 .420 -.028 1 15 phd9 1613 1682 70 3 0 .577 1.17 2.94 .333 .702 .127 2.77 .515 -.003 1 16 phd10a 1632 1682 51 2 0 .738 1.54 2.18 .311 .447 .173 2.54 .408 .015 1 17 phd10b 1639 1682 44 1 0 .721 1.55 2.29 .362 .561 .179 2.65 .653 .063 1 18 phd12a 1654 1703 50 1 0 .770 1.27 2.08 .353 .697 .162 2.68 .422 .022 1 19 phd12b 1694 1711 18 1 0 .552 1.66 2.32 .331 .690 .133 2.72 .808 -.015 1 20 phd14 1628 1682 55 2 0 .537 1.94 4.08 .846 .826 .195 2.58 .384 .043 1 21 phd15 1597 1673 77 3 2 .491 1.45 3.20 .403 .568 .169 2.65 .510 .053 1 22 phd18 1583 1676 94 4 2 .445 .94 1.84 .311 .834 .146 2.51 .411 .082 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1946 73 13 .572 1.31 4.08 .424 .724 .177 2.84 .445 .000