compare: Compare ED50 Estimation of Independent Two-sample Case

In ed50: Estimate ED50 and Its Confidence Interval

Description

Test the statistical difference of two independent estimation results of ED50.

Usage

compare(group1, group2, alpha = 0.05)

Arguments

group1	A list object of ED50 estimation.
group2	Another list object of ED50 estimation to be compared with.
alpha	The significant level of test. 0.05 is the defaut value.

Value

The difference between two groups of ED50 estimation in terms of statistical significance.

References

Noguchi, K., & Marmolejo-Ramos, F. (2016). Assessing equality of means using the overlap of range-preserving confidence intervals. American Statistician, 70(4), 325-334.

Examples

library(ed50)
ans1 <- estimate(groupS$doseSequence, groupS$responseSequence, method = 'ModTurPoint')
ans2 <- estimate(groupSN$doseSequence, groupSN$responseSequence, method = 'Dixon-Mood')
compare(ans1, ans2)

Example output

Test Result 
-----------  
There is no significant difference between ED50 estiation of the two groups 
with p-value = 0.1374885 and significance level = 0.05 
	

ed50 documentation built on May 2, 2019, 7:29 a.m.