qgnormz | R Documentation |
A function to draw a Standard Normal distribution and shade the region(s) defined by the probability argument
qgnormz(prob, tail = "upper")
prob |
|
tail |
Area(s) to be shaded on the graph. If |
Specifying extremely high or low probabilities may not yield visible shaded areas if the regions are beyond the limits of the X axis scale of the graph.
This function can be very helpful in instructional situations and can replace the "Z table" from textbooks.
Bruce Dudek bruce.dudek@albany.edu
qgnormz(.35) #shows upper tail by default
qgnormz(.16,tail="upper")
qgnormz(.16,tail="lower")
qgnormz(.975,tail="lower")
qgnormz(.025,tail="upper")
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