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dplyr is an R package whose set of functions are designed to enable dataframe (a spreadsheet-like data structure) manipulation in an intuitive, user-friendly way. It is one of the core packages of the popular tidyverse set of packages in the R programming language. [1]
Programming with Big Data in R (pbdR) [1] is a series of R packages and an environment for statistical computing with big data by using high-performance statistical computation. [ 2 ] [ 3 ] The pbdR uses the same programming language as R with S3/S4 classes and methods which is used among statisticians and data miners for developing statistical ...
Given a point Z not on conic C, draw two secants from Z through C crossing at points A, B, D, and E. Then these four points form a complete quadrangle, and Z is at one of the diagonal points. The line joining the other two diagonal points is the polar of Z, and Z is the pole of this line. [2]
A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here. “Impoundment” is another word that Americans may need to learn in the ...
The radius and the azimuth are together called the polar coordinates, as they correspond to a two-dimensional polar coordinate system in the plane through the point, parallel to the reference plane. The third coordinate may be called the height or altitude (if the reference plane is considered horizontal), longitudinal position , [ 1 ] or axial ...
“You have to (try),” Mahomes said on Tuesday. “That’s the reason you play this game, to push to play. I’m not going to put our team in a bad position.
Paulina Porizkova developed a sense of freedom while shooting her early Sports Illustrated Swimsuit Issuephotos.. In the new documentary Beyond the Gaze: Jule Campbell's Swimsuit Issue, Porizkova ...
To see this, pick two points P and Q on L. The locus of points whose polar lines pass through P is the first polar of P and this is a curve of degree n−1. Similarly, the locus of points whose polar lines pass through Q is the first polar of Q and this is also a curve of degree n−1.