Plot of pctrecov by newdate

Statistics for the Plotted Points
PHORATE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 57% 13% 63% 10%
>= Reporting Level 61 60% 22% 64% 17%
Total 65 60% 22% 64% 17%

Miscellaneous Statistics for the Samples
PHORATE

Characteristic N % % Basis
Plotted 65 88% Spiked
Estimated Values 29 39% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 3 4% Spiked
Spiked 74 .  
False Negatives 6 8% 6 out of 74
Not Spiked 26 .  
False Positives 0 0% 0 out of 26