Blog Archives

A Lattice Panel Function for Filled Polygons that Accounts for Missing Data

March 28, 2011
By
A Lattice Panel Function for Filled Polygons that Accounts for Missing Data

This is a quick update to some code posted while back, related to plotting filled polygons within a lattice panel function. After attempting to use the originally described function to plot data with NA, I quickly realized that a more robust approach w...

Read more »

Updates to SoilWeb Mobile: Distance from Nearest Map Unit Boundary

March 16, 2011
By

Working on some new ideas on how map unit data can be summarized on small screens-- particularly for our mobile version of SoilWeb. The distance from the nearest map unit polygon boundary is now printed above mini soil profile sketches. This gives the ...

Read more »

Initial SoilWeb Concept on Paper

March 7, 2011
By
Initial SoilWeb Concept on Paper

read more

Read more »

Tips for Using our Google Earth Interface to SoilWeb

February 28, 2011
By
Tips for Using our Google Earth Interface to SoilWeb

GE SoilWeb Demo The folks in Lincoln recently changed the links to the OSDs from http:// to https:// style URLs... which seems to cause problems for new versions of Google Earth. I have noticed that when clicking on soil profile sketches an error is re...

Read more »

Experimental S4 Classes and Methods added to AQP (Algorithms for Quantitative Pedology) Package

February 23, 2011
By
Experimental S4 Classes and Methods added to AQP (Algorithms for Quantitative Pedology) Package

Thanks to some help from Pierre Roudier, the aqp package now has some new S4-style classes and methods-- custom tailored to the complexities of soil profile data. These new classes/methods are only available in the aqp development branch, found on our ...

Read more »

Temporal Trends in Soil Science Jargon — via Google Ngram Viewer

December 29, 2010
By
Temporal Trends in Soil Science Jargon — via Google Ngram Viewer

read more

Read more »

Customizing Maps in R: spplot() and latticeExtra functions

December 15, 2010
By
Customizing Maps in R: spplot() and latticeExtra functions

I recently noticed the new latticeExtra page on R-forge, which contains many very interesting demos of new lattice-related functionality. There are strong opinions about the "best" graphics system in R (base graphics, grid graphics, lattice, ggplot, et...

Read more »

Updates to the ‘aqp’ Package for R (version 0.98-3)

November 30, 2010
By

Just released an updated version of our 'aqp' package for quantitative soils investigations, available on CRAN and R-Forge. Some of the major changes are listed below: from the aqp NEWS file: -------------------------- aqp 0.98-1 (2010-11-23) --------...

Read more »

Updated SoilWeb Usage Statistics

November 16, 2010
By
Updated SoilWeb Usage Statistics

Google Earth Access Trends: Daily Requests read more

Read more »

A Visualization of Soil Taxonomy Down to the Subgroup Level

September 29, 2010
By
A Visualization of Soil Taxonomy Down to the Subgroup Level

It turns out that you can generate a quasi-numerical distance between soil profiles classified according to Soil Taxonomy (or any other hierarchical system) using Gower's generalized dissimilarity metric. For example, taxonomic distances computed from ...

Read more »

Sponsors

Mango solutions



plotly webpage

dominolab webpage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training

datasociety

http://www.eoda.de





ODSC

ODSC

CRC R books series





Six Sigma Online Training









Contact us if you wish to help support R-bloggers, and place your banner here.

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)