Advanced,User Request

User Request – Disable Limiting Region

16 Jun , 2014  

limit_region_on
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The other week a user of ggtern ran into a problem where they wanted to use the limit_tern(...) functionality, however there were a few marginal points / paths that extended beyond the limiting region. Under normal circumstances, the standard ggtern behaviour is to strip these points, which can interfere with the desired outcome if they are part of a continuous path or polygon etc…

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New Feature

ggtern 1.0.3.2 on CRAN

3 Jun , 2014  

ggtern1032-3
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An update to ggtern, version 1.0.3.2, is now available on CRAN!

This version includes a number of bug fixes:

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New Feature

New Geometry – Ternary Errorbars

2 Feb , 2014  

errorbarT
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ggtern 1.0.3.1 has introduced a new series of geometries to represent known errors in data, they are relatively easy to use and are along the lines of the geom_errorbar(...) and geom_errorbarh(...) geometries in ggplot2.

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Uncategorized

ggtern 1.0.3.1 on CRAN

2 Feb , 2014  

multiplot
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An update to ggtern, version 1.0.3.1, is now available on CRAN!

This version includes a number of updates and functionality, which can be summarized below:
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case study,example

USDA Textural Soil Classification

15 Jan , 2014  

unnamed-chunk-2
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Included in the next version (1.0.3.1) of ggtern, will be a new data set, taken from the USDA Textural Soil Classification[1] which we can use to reproduce the original diagram published by the United Stated Department of Agriculture.

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[1] Unknown-Author, Soil Mechanics Level 1, Module 3, USDA Textural Classification Study Guide, United States Department of Agriculture, 1987.
[Bibtex]
@Book{usda,
Title = {Soil Mechanics Level 1, Module 3, USDA Textural Classification Study Guide},
Author = {Unknown-Author},
Publisher = {United States Department of Agriculture},
Year = {1987},
Owner = {Nick Hamilton},
Timestamp = {20140116}
}

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example,User Request

User Request – Middle Segments

9 Jan , 2014  

segments
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Recently, a user of ggtern was desirable to produce a plot similar to what can be found HERE. This is relatively simple, given the use of layers during plot construction.

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New Feature,Themes

ggtern 1.0.2.0 on CRAN

5 Jan , 2014  

sample_1020-4
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An update to ggtern, version 1.0.2.0, is now available on CRAN!

This version includes a number of updates, and, additional functionality, which can be summarized below:
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New Feature

ggtern 1.0.1.3 on CRAN

18 Dec , 2013  

cran_screenshot_cropped_logo5
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ggtern is now available on CRAN!

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Advanced,New Feature

New Geometry – Confidence Regions

17 Dec , 2013  

featured-newgeometry_cropped
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One of the first suggestions that was presented to me, was by Sean Mulcahy, whom suggested that it would be a good idea to consider confidence regions, as presented HERE. I am plesed to say that a new geometry (geom_confidence) has been created, and, is available since version 1.0.1.1, continue reading for a couple of examples.

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case study,example

PPS 3-State Model

16 Dec , 2013  

featured-pps3state
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I recently found THIS site on the internet which I thought would be another good case-study.

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