[R] Formatted Data File Question for Clustering -Quickie Project
Vladimir Eremeev
wl2776 at gmail.com
Thu Jun 14 09:41:41 CEST 2007
The "R Data Import/Export" guide was mentioned already, it contains
everything you should know about data exchange between R and other software.
In case it says nothing about dates, try as.Date() and strftime().
For your example below,
as.Date("1/31/1994",format="%m/%d/%Y")
works.
ngottlieb wrote:
>
> I am trying to learn how to format Ascii data files for scan or read
> into R.
>
> Precisely for a quickie project, I found some code (at end of this
> email) to do exactly what I need:
> To cluster and graph a dendrogram from package (stats).
>
> I am stuck on how to format a text file to run the script.
> I looked at the dataset USArrests (which would be replaced by my data
> and labels) using UltraEdit. That data appears to be in binary format
> and I would simply like a readable ASCII text file.
>
> How can I:
> A) format this data to a file for the script below?
> B) I would like to use squared Euclidean distance, can hclust support
> this?
>
> Thanks,
> Neil Gottlieb
>
> Here is sub-set example of my data set, return series to cluster: 13
> cases by 36 observations):
> Month Convertible Arbitrage Dedicated Short Bias Emerging
> Markets
> 1/31/1994 0.004 -0.016 0.105
> 2/28/1994 0.002 0.020 -0.011
> 3/31/1994 -0.010 0.072 -0.046
>
> [skip]
>
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