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Table 1 List of the selection criteria for the Tsunakawa–Shaw method

From: Archeointensity estimates of a tenth-century kiln: first application of the Tsunakawa–Shaw paleointensity method to archeological relics

Specimen level
f N r N Slope T f T r T
≥ 0.15 ≥ 0.995 0.95–1.05 ≥ 0.15 ≥ 0.995
Site level
n H δ %    
≥ 3 ≤ 20%    
  1. f N , the fraction used for the best-fit line on the NRM-TRM1* plot of first heating; r N , the correlation coefficient for the best-fit line on the NRM-TRM1* plot of first heating; Slope T , the slope of the TRM1–TRM2* plot of second heating; f T , the fraction used for the best-fit line on the TRM1–TRM2* plot of second heating; r T , the correlation coefficient for the best-fit line on the TRM1–TRM2* plot of second heating; n, the number of the selected samples; H δ %, the value of the coefficient of variation