Plot of pctrecov by newdate

Statistics for the Plotted Points
COTININE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 51% 19% 42% 26%
>= Reporting Level 74 74% 32% 64% 36%
Total 77 73% 32% 64% 35%

Miscellaneous Statistics for the Samples
COTININE

Characteristic N % % Basis
Plotted 77 99% Spiked
Estimated Values 65 83% Spiked
Deleted Values 3 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 81 .  
False Negatives 1 1% 1 out of 78
Not Spiked 132 .  
False Positives 0 0% 0 out of 132