volsphere | R Documentation |
This function computes the volume of a sphere using a given radius.
volsphere(r)
r |
numeric vector, matrix, data.frame, or data.table that contains the radius of a sphere. |
The radius of a sphere is "the integral of the surface area of a sphere."
Volume of a sphere is expressed as
V = \frac{4}{3}\pi r^3
the volume of a sphere
the radius of a sphere
volume of a sphere (as L^3 units) as an R object: a numeric vector
or a named numeric vector if using a named object (matrix
, data.frame
,
or data.table
).
Irucka Embry
Wikimedia Foundation, Inc. Wikipedia, 30 December 2015, "Volume", https://en.wikipedia.org/wiki/Volume.
install.load::load_package("iemisc", "data.table")
volsphere(3) # in
volsphere(4.5) # in
x <- c(3, 4, 0.2, 12, 34, 7.5) # cm
volsphere(x)
# using a matrix of the numeric vector x
mat1 <- matrix(data = x, nrow = length(x), ncol = 1, byrow = FALSE,
dimnames = list(c(rep("", length(x))), "Radius"))
volsphere(mat1)
# using a data.frame of the numeric vector x
df1 <- data.frame(x)
volsphere(df1)
# using a data.table of the numeric vector x
df2 <- data.table(x)
volsphere(df2)
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