Displaying 2 results from an estimated 2 matches for "tratment".
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treatment
2004 May 09
1
need help: regression models
hello,
I am working with some data which i would like to find the best fit model for them.
First, this data are in a matrix. Each of the columns are treatments and the raws are repetions for the each tratment.
So, i've already maden one chart with all the boxplot graphic, for each treatment.
Now, i need to find the best fit model for them, i know that exponetial or log model would be perfect in this situation (both can help me)
Therefore, i need to find the best exponential model for this data, an...
2007 Mar 07
5
how to "apply" functions to unbalanced data in long format by factors......cant get "by" or "aggregate" to work
Hello R users,
Problem.......I do not understand how to use "aggregate","by", or the
appropriate "apply" to perform a function on data with more than one
factor on unbalanced data...
I have a data frame in the long format that does not contain balanced
data. The ID is a unique identifier corresponding to the experimental
unit that will later be examined by ANOVA,