[R] visualizing bootstrapped dendrogram

From: mimato <thomas.potrusil_at_i-med.ac.at>
Date: Thu, 28 Apr 2011 07:30:37 -0700 (PDT)


I want to classify bipolar neurons in human cochleas and have data of the following structure:

Vol_Nuc Vol_Soma

1   186.23   731.96
2   204.58  4370.96
3   539.98  7344.86
4   477.71  6939.28
5   421.22  5588.53
6   276.61  1017.05
7   392.28  6392.32
8   424.43  6190.13
9   256.41  3850.51
10  249.17  3118.14
11  276.97  3037.29
12  295.30  3703.76
13  314.43  5265.97
14  301.15  5781.73

I already worked with Matlab (I´m not a programmer) and created nice colourcoded dendrograms and also made some verifications of them. I started now working with R and bootstrapped data with a library named pvclust. It worked and R computed ...

My problem is the visualization of data. I always get the following problem:

mistake in plot.hclust(x$hclust, main = main, sub = sub, xlab = xlab, col = col, :
invalid input for Dendrogram

Does anyone has an idea whats wrong...

Thanks a lot!!

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