Description Usage Arguments Author(s) References Examples
This function computes angle swept by a ray in anti-clockwise direction. The ray starts at the half-line pointing towards the positive x direction, and passes through the origin and a point defined by the user.
1 | anglecheck(x, radians = TRUE)
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x |
a vector of length 2 giving the xy-coordinates of the point defined by the user |
radians |
if FALSE, returns angle in degrees instead of radians |
Tsung Fei Khang tfkhang@um.edu.my
Khang TF, Soo OYM, Tan WB, Lim LHS. (2016). Monogenean anchor morphometry: systematic value, phylogenetic signal, and evolution. PeerJ 4:e1668.
1 | anglecheck(c(0,1),radians=FALSE)
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