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Results tagged with r
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user 104
Use this tag for any *on-topic* question that (a) involves `R` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `R`.
16
votes
Accepted
Is there a quick way to convert z-scores into percentile scores?
pnorm(z) will do it.
> pnorm(1.96)
[1] 0.9750021
> pnorm(0)
[1] 0.5
> pnorm(-1)
[1] 0.1586553
Or if you insist on a percentile, boom. Then try
round(pnorm(1.96)*100,0)
- 750
2
votes
Exact two sample proportions binomial test in R (and some strange p-values)
The syntax of the binom.test is your successes within a number of trials compared to a population point estimate. Although you entered it as p=8/20, the calculation is as if that was a God-given absol …
- 750
1
vote
1
answer
2k
views
Comparing residual deviance to null deviance in a logistic regression model: Is percentage r...
If I run a logistic regression model in R...for example
summary(glm(data, formula = dichotomous.outcome.variable ~ age + hpv,family = binomial(link = "logit")))
I get an output such as this
Null …
- 750