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Important Variable in cluster analysis (kmeans)
How can i know which variable is most important while doing clustering (kmeans) ? There is two step analysis in Spss which shows...
oltre 10 anni fa | 0 risposte | 0
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risposteDomanda
How to decimate by rows in a dataset ?
Hi I have dataset of 1918975 rows and 10 columns. I need to resample this data without aliasing effect. I found the solution wa...
oltre 10 anni fa | 1 risposta | 0
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How to calculate between groups sum of squares (SSB)in cluster analysis ?
I know how to calculate within group sum of square as [idx,C,sumd] = kmeans(data,no_of cluster); SSW(within group sum of...
oltre 10 anni fa | 0 risposte | 0
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risposteDomanda
How to calculate RMSSDT and RS for cluster analysis ?
I want to calculate the root mean square standard deviation (RMSSDT) and R^2 for my cluster analysis in order to determine which...
oltre 10 anni fa | 0 risposte | 0
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risposteDomanda
How to validate and goodness of fit after clustering the Data ?
I have cluster the data. Now I have couple of more question. * Q1)How to validate the result I obtained after clustering ? *...
oltre 10 anni fa | 0 risposte | 0
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risposteDomanda
How to calculate within group sum of squares for kmeans ?
I have data set with 318 data points and 11 attributes. So my matrix is 318*11. I am trying to find the best number of cluster r...
quasi 11 anni fa | 1 risposta | 0
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Help in K-means Clustering for large data set with 13 attributes
Hi Mo Chen, I need some help regarding Kmeans. I have huge data sets .I have 13 attributes which are something like Time ...
quasi 11 anni fa | 1 risposta | 0
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Dynamic row select and calculate mean of selected row
I have some data like this. 1 0.0975 0.1576 0.14188 1 0.2784 0.9705 0.42176 2 0.5468 0.9571 0.91573 3 0.9575 0.485...
quasi 11 anni fa | 1 risposta | 1
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Regular expression while import data
I have a nearly 360 folders which individual folder contains 400 .mat files. There are basically two structure in file names. Li...
quasi 11 anni fa | 1 risposta | 0
