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Table 1

Summary of errors in district population sizes by age-group comparing 2019 census counts with two methods, linear interpolation and the Bayesian cohort component projection model (Bayes CPP)

Mean ErrorMedian ErrorRMSE
Age-groupInterpolationBayes CCPInterpolationBayes CCPInterpolationBayes CCP
15–19 –0.070 –0.058 0.128 0.010 0.013 0.005 
20–24 –0.228 –0.081 –0.040 –0.033 0.016 0.005 
25–29 –0.266 –0.019 0.018 0.006 0.020 0.005 
30–34 –0.146 0.043 0.035 0.047 0.020 0.005 
35–39 –0.254 –0.161 –0.008 –0.179 0.035 0.012 
40–44 –0.058 –0.074 0.185 –0.048 0.038 0.009 
45–49 –0.246 –0.065 0.049 0.011 0.061 0.021 
Total Population –0.101 –0.045 0.119 0.011 0.031 0.010 
Mean ErrorMedian ErrorRMSE
Age-groupInterpolationBayes CCPInterpolationBayes CCPInterpolationBayes CCP
15–19 –0.070 –0.058 0.128 0.010 0.013 0.005 
20–24 –0.228 –0.081 –0.040 –0.033 0.016 0.005 
25–29 –0.266 –0.019 0.018 0.006 0.020 0.005 
30–34 –0.146 0.043 0.035 0.047 0.020 0.005 
35–39 –0.254 –0.161 –0.008 –0.179 0.035 0.012 
40–44 –0.058 –0.074 0.185 –0.048 0.038 0.009 
45–49 –0.246 –0.065 0.049 0.011 0.061 0.021 
Total Population –0.101 –0.045 0.119 0.011 0.031 0.010 
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