[adegenet-forum] what does 'd = ' mean in pca plots

[Roman Luštrik]

Following the code, I can trace it to ade4::scatter.grid (https://github.com/cran/ade4/blob/d571403a7ed08b2649c44901014aeb9e480ac1b0/R/scatterutil.R#L506).
`xaxp` is a vector of coordinates and number of intervals between tick marks (see ?par). The code takes second and first coordinate and divides it by the number of intervals. And `a`, which is `d = a`, appears to be the minimum of this for x and y. Sorry for not being less technical.

HTH,
Roman


----
In god we trust, all others bring data.

----- Original Message -----
From: "Jason Paul Joines" <jason at joines.org>
To: adegenet-forum at lists.r-forge.r-project.org
Sent: Wednesday, December 6, 2017 5:00:51 AM
Subject: [adegenet-forum] what does 'd = ' mean in pca plots

adegenet Users,

         I used the scatter function to plot the glPca of a genlight object 
as shown in tutorial-genomics.pdf.  The plot includes a small inset 
barplot of Eigenvalues in the bottom left corner.  The top right corner 
has the text "d = n" where n is a number that differs from one plot to the 
next.  What does "d = n" represent?


Thanks,

Jason
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