search for: karniski

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2006 Mar 18
1
Time-Series, multiple measurements, ANOVA model over time points, analysis advice
...ANOVA model? R scripts in the download: source("Rscript_HiN_cortical_roi_analysis_aov_specifics.R") This will run ANOVA on several time-bins of the data. The time-bins are defined in Rscript_HiN_cortical_roi_analysis_setup.R, which is sourced by the script above. Reference Blair RC, Karniski W. 1993. An alternative method for significance testing of waveform difference potentials. Psychophysiology 30:518--524. [[alternative HTML version deleted]]
2010 Apr 24
2
multiple paired t-tests without loops
I am new to R and I suspect my problem is easily solved, but I haven't been able to figure it out without using loops. I am trying to implement Blair & Karniski's (1993) permutation test. I've included a sample data frame below. This data frame represents the conditional means (C1, C2) for 3 subjects in 2 consecutive samples of a continuous data set (e.g. ERP waveform). Each sample includes all possible permuations of the subject means (2^N)...