The NIH (USA, National Institutes of Health) has opened a new web site on the subject, which although focused on Biomedical research, provides a good account of current trends and problems, how to overcome them and guidelines that could be easily adapted for the rest of the Biosciences including Plant Science.
The program grepWin is a handy tool for Windows users without access to a command line
grep, or those who prefer a dialogue-based interface.
This is handy for example when one needs to search and replace a string consistently across several text files like R scripts.
Visualizations, specially dynamic ones can help in the understanding of statistical concepts. You can find some wonderful examples at a web site called R <- psychologist.
Do you understand hypothesis testing? and the controversy behind it?
Understanding Statistical Power and Significance Testing
Do you understand confidence intervals (CI)?
Interpreting Confidence Intervals
When you see a scatter plot are you able to guess a value for the correlation?
Have fun! and get some new insights about statistical tests.
Some of you have missed my talks on statistics because of other meetings and a retreat. If you would like to have a look at the presentations, they are now available on.line, together with another couple of talks on LEDs and research on plants’ responses to UV radiation that I gave recently at a conference and at a seminar. You can access them from the SenPEP’s website in the NEWS section.