1. Googling for 'granular computing Perl' didn't turn up anything obviously pertinent, so I guess you're as welcome as anyone to introduce granular computing to the Perl community (or at least to the monastery).
2. The posting on your scratchpad would be a bit more useful if, instead of expecting to get the data via a handle to a file, you were to supply us with a dozen or so lines of sample data under a __DATA__ tag at the end of the script.
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[d/l] |
Hi Jim,
Thank you for your comments.
About your first comment, do you mean that I should write a small tutorial about Granular Computing to introduce it to our fellow Monks? Or do you simply mean that I should keep writing the code and ask for feedback from our community? For the former case, I could certainly start by describing what the Fuzzy C-means does and how it can be used in Granular Computing. It will take me a couple of weeks, though, because I am quite busy right now with other stuff. However, to give you a preview, I can tell you that what the Fuzzy C-Means does is to look for groups in the data (that is, it groups patterns according to their similarity. This is why, some people say that the Fuzzy C-means searches for structure in the data). For the latter case, that is what I am doing: porting my code to Perl. When I get more code written, I will certainly post it on the Monastery to ask for feedback.
About your second comment, I just posted some sample data as you suggested. It is a very simple dataset. If you want to play with it, what I suggest you do is the following:
- Plot the data using your favourite program. I suggest you use an XY chart. On this chart, you might notice that there are two groups of patterns: one close to (0, 0) and the other close to (12, 10)
- Run the code available in the lin0's scratchpad without any argument (without arguments it will search for two groups). One of the groups will have a prototype (sort of representative element) about (1.0, 0.9) while the second one will have a prototype about (11.5, 11.2)
I really was not expecting to discuss much about the code but if people are interested, I could certainly write a node describing it in more detail.
Thanks again,
lin0
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"About your first comment, do you mean that I should write a small tutorial about Granular Computing to introduce it to our fellow Monks?"
I can't speak for Jim, but I personally would welcome a short introductory tutorial, with short introductory examples in perl.
Is the Wikipedia entry on Granular Computing accurate?
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