Tag Archives: Statistics

Decluttering ordination plots in vegan part 2: orditorp()

Posted on January 13, 2013 by

In the earlier post in this series I looked at the ordilabel() function to help tidy up ordination biplots in vegan. An alternative function vegan provides is orditorp(), the last four letters abbreviating the words text or points. That is … Continue reading →

Posted in Plotting, R, vegan | Tagged , , , | 4 Comments

Monotonic deshrinking in weighted averaging models

Posted on January 5, 2013 by

Weighted averaging regression and calibration is the most widely used method for developing a palaeolimnological transfer function. Such models are used to reconstruct properties of the past lake environment such as pH, total phosphorus, and water temperature with, it has … Continue reading →

Posted in analogue, Palaeoecology, Palaeolimnology, R | Tagged , , , | Leave a comment

A new version of analogue for a new year

Posted on January 4, 2013 by

Yesterday I rolled up a new version (0.10-0) of analogue, my R package for analysing palaeoecological data. It is now available from CRAN. There were lots of incremental changes to Stratiplot() to improve the quality of the stratigraphic diagrams produced … Continue reading →

Posted in analogue, Palaeoecology, Palaeolimnology, R | Tagged , | 1 Comment

Quantitative palaeolimnology: my book chapters are finally out!

Posted on April 23, 2012 by

Today I received confirmation that the delayed fifth volume in the Developments in Palaeoenvironmental Research series has been published. The book is titled Data Handling and Numerical methods, though it covers more of the latter and, IMHO, is far more interesting than … Continue reading →

Posted in analogue, Palaeoecology, Palaeolimnology, R, Science, vegan | Tagged , , | Leave a comment