Plot of pctrecov by newdate

Statistics for the Plotted Points
COTININE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 68% 11% 72% 10%
>= Reporting Level 34 84% 15% 82% 13%
Total 40 82% 16% 79% 12%

Miscellaneous Statistics for the Samples
COTININE

Characteristic N % % Basis
Plotted 40 91% Spiked
Estimated Values 6 14% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 44 .  
False Negatives 3 7% 3 out of 44
Not Spiked 36 .  
False Positives 0 0% 0 out of 35