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Table 1 Lin’s concordance correlation coefficient between measured and estimated kernel weight. Data are from six hybrid trials conducted under low soil nitrogen conditions at Harare, Zimbabwe, during the season 2016–2017

From: High-throughput method for ear phenotyping and kernel weight estimation in maize using ear digital imaging

Trial Number of plots Concordance correlation coefficient 95% confidence interval Pearson ρ (precision) Bias correction factor Cb (accuracy)
1 150 0.7985 0.7434–0.8428 0.8573 0.9313
2 150 0.6281 0.5553–0.6913 0.8715 0.7207
3 150 0.7205 0.6447–0.7823 0.7754 0.9292
4 150 0.5969 0.5280–0.6580 0.906 0.6588
5 165 0.9243 0.9000–0.9429 0.9512 0.9718
6 165 0.7792 0.7394–0.8136 0.9744 0.7996
Mean 155 0.74125 0.8893 0.835233