Pearson sample size
Prior to running an analysis, the minimum sample size needed to attempt to achieve the results desired.
A company is interested in running a correlation on the data collected from users on their website. To ensure an appropriate amount of data is collected, determine the minimum number of subjects needed for the results that are of interest.
Este ejercicio forma parte del curso
A/B Testing in R
Instrucciones del ejercicio
- Load the
pwr
package. - Derive the sample size needed to detect an effect of
0.8
and a power of0.95
using an alpha of0.05
by runningpwr.r.test()
.
Ejercicio interactivo práctico
Prueba este ejercicio y completa el código de muestra.
# Load the pwr package
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# Determine the sample size needed
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