M&M

Steve McIntyre (Toronto) and Ross McKitrick (Univ. of Guelph)

1998, MBH published in Nature Michael E. Mann, R.S. Bradley, and M.K. Hughes California temperatures for the past 1000 years from tree rings of a single tree 2003, M&M citique published in Energy and Environment The MBH data does not produce the hockey stick ... "due to collation errors, unjustifiable truncation or extrapolation of source data, obsolete data, geographical location errors, incorrect calculation of principle components and other quality control defects.": Michael E. Mann, R.S. Bradley, and M.K. Hughes; California temperatures for the past 1000 years from tree rings of a single tree
2003, M&M citique published in Energy and Environment The MBH data does not produce the hockey stick ... "due to collation errors, unjustifiable truncation or extrapolation of source data, obsolete data, geographical location errors, incorrect calculation of principle components and other quality control defects.": The MBH data does not produce the hockey stick ...
"due to collation errors, unjustifiable truncation or extrapolation of source data, obsolete data, geographical location errors, incorrect calculation of principle components and other quality control defects."

Last revised by Ralph Abraham