n.oneway {easypower} R Documentation

## Calculates the required sample size for a one-way ANOVA.

### Description

Calculates the required sample size for a one-way ANOVA.

### Usage

n.oneway(iv = iv, sig.level = 0.05, power = 0.8)


### Arguments

 iv List of data for the treatment to be tested. sig.level Desired significance level (default is 0.05). power Desired level of power (default is 0.80).

### Value

Returns the recommended sample size given the conditions to achieve the desired power.

### References

Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Hillsdale, N.J.: Lawrence Erlbaum Associates.

### Examples

# Exercise 8.10, p.391 from Cohen (1988)
main.eff <- list(name = "Teaching", levels = 4, eta.sq = 0.0588)
# Running the function with default settings
n.oneway(iv = main.eff)


[Package easypower version 1.0.1 Index]