daria | R Documentation |
The function "daria" - 'd'raws the 'area' under the normal curve for certain values of z.
daria(area, z1, z2, draw = FALSE)
area |
The required area |
z1 |
First z value, in the interval +/- 4 |
z2 |
Second z value, in the interval +/- 4 |
draw |
Logical; if TRUE, draw the area |
In the argument area
, the function accepts:
"l"
, "u"
, "left"
and "under"
for the area to the left of z,
"r"
, "o"
, "a"
, "right"
"over"
and "above"
for the area to the right of z
"b"
and "between"
for the area between two z values.
z values smaller than -4 and greater than +4 are truncated to these values, since the area to the left and to the right of these values is practically equal to zero.
Adrian Dusa
pnorm
, qnorm
daria("between", -1.96, 1.96) daria("over", -1) daria("under", -1) daria("over", 2, draw = TRUE)
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