[R] Inverse Student t-value
murdoch.duncan at gmail.com
Tue Sep 30 20:01:11 CEST 2014
On 30/09/2014 1:31 PM, Andre wrote:
> Dear Sir/Madam,
> I am trying to use calculation for two-tailed inverse of the student`s
> t-distribution function presented by Excel functions like
> =TINV(probability, deg_freedom).
> For instance: The Excel function =TINV(0.0000408831,1221) = returns
> Would you like to show me a manual calculation for this?
> Appreciate your helps in advance.
That number looks pretty far off the true value. Have you got a typo in
You can compute the answer to your question as abs(qt(0.0000408831/2,
df=1221)), but you'll get 4.117.
More information about the R-help