[Corpora-List] Looking for the right term for...

Lutz Büch lutz.buech at 100worte.de
Thu Jun 24 11:36:32 CEST 2021

Hi Kevin,

they are commonly referred to as "isometric curves" in general. For this use in the context of ROC plots and F-measure, see [1].

Regards Lutz

[1] Flach, Peter A., and Meelis Kull. "Precision-Recall-Gain Curves: PR Analysis Done Right." NIPS. Vol. 15. 2015.

On 24.06.21 11:17, Kevin B. Cohen wrote:
> Hello,
> I am looking for the proper term for a kind of line on a scatter plot
> that displays recall, precision, and F-measure.
> Below there is an example of a plot with the lines in question, from
> this blog post
> <http://gromgull.net/blog/2009/06/plotting-precision-and-recall-values/>
> (for which I thank the unnamed author).  You will see that it has
> precision on the x-axis, recall on the y-axis, and then lines that show
> the boundaries of regions where the F1 has a particular value
> corresponding to the values of R and of P on the x- and y-axes.
> It's those lines whose name I am looking for.  In meteorology they
> indicate air pressure, and are called isobars. In dialectology, they go
> on maps, where they mark geographical boundaries between lexical items,
> and are called isoglosses. Wikipedia has an article on isosurfaces
> <https://en.wikipedia.org/wiki/Isosurface>, and that might be the right
> word, but I would not swear to it.  Also, if there is a common term in
> NLP, I would love to use it.
> Any suggestions?
> 3653326007_bd5f1a4a0e_o.png
> Happy Thursday,
> Kevin Cohen
> --
> Kevin Bretonnel Cohen, PhD
> Director, Biomedical Text Mining Group
> Computational Bioscience Program, U. Colorado School of Medicine
> D'Alembert Chair in Natural Language Processing for the Biomedical
> Domain (Emeritus),
> LIMSI, CNRS, Université Paris-Saclay
> 303-916-2417
> http://compbio.ucdenver.edu/Hunter_lab/Cohen
> <http://compbio.ucdenver.edu/Hunter_lab/Cohen>

-- Lutz Büch Head of Data Science 100 Worte Sprachanalyse GmbH Email: lutz.buech at 100worte.de Website: www.100Worte.de

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