Used for control. If death rate in control group < 0.05, no correction is needed; if death rate between 0.05 - 0.2, using Abbott fomula to adjust the assay; if death rate > 0.2, invalid assay. Program will stop! Private function in LD50 package.
1 |
df |
A dataframe with three variables(concentration/dose, death, total), the first observation is control. |
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