Plot of pctrecov by newdate

Statistics for the Plotted Points
BETA-STIGMASTANOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 66% 24% 58% 22%
>= Reporting Level 79 62% 18% 62% 20%
Total 84 62% 19% 61% 20%

Miscellaneous Statistics for the Samples
BETA-STIGMASTANOL

Characteristic N % % Basis
Plotted 84 93% Spiked
Estimated Values 80 89% Spiked
Deleted Values 5 2% Spiked + Not Spiked
Spiked, Censored 3 3% Spiked
Spiked 94 .  
False Negatives 3 3% 3 out of 90
Not Spiked 142 .  
False Positives 0 0% 0 out of 141