data-mining

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Fuzzy K-modes clustering how to find the cluster centers

I\'m trying to understand fuzzy k-modes algorithm (look mainly at page 3) in order to implement it. I\'m stuck at the calculation of cluster centers they said as shown in the pic[详细]

2023-04-13 05:10 分类：问答
Similarity matrix -> feature vectors algorithm?

If we have a set of M words, and know the similarity of the meaning of each pair of words in advance (have a M x M matrix of similarities), which algorithm ca开发者_JAVA百科n we use to make one k-dime[详细]

2023-04-12 04:51 分类：问答
clustering and matlab

I\'m trying to cluster some data I have from the KDD 1999 cup dataset the output from the file looks like this:[详细]

2023-04-11 21:43 分类：问答
Fuzzy c- means categorical data

Can the fuzzy c-means applied on non numerical data sets ? i.e categorical or mixed numerical and categorical..[详细]

2023-04-11 12:00 分类：问答
What is the difference between a Confusion Matrix and Contingency Table?

I\'m writting a piece of code to evaluate my Clustering Algorithm and I find that every kind of evaluatio开发者_运维问答n method needs the basic data from a m*n matrix like A = {aij} where aij is the[详细]

2023-04-10 08:04 分类：问答
NLP and Machine learning for sentiment analysis [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-04-10 04:42 分类：问答
Sources, APIs and techniques for academic data-mining

So I\'m gonna do a historical trends analysis for one of my education literature review class. I\'m considering use the abstracts and keywords from the peer-reviewed journals since 1970s, I know Sprin[详细]

2023-04-09 21:19 分类：问答
Fuzzy c-means tcp dump clustering in matlab

Hi I have some data thats represented like this: 0,tcp,http,SF,239,486,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,8,8,0.00,0.00,0.00,0.00,1.00,0.00,0.00,19,19,1.00,0.00,0.05,0.00,0.00,0.00,0.00,0.00,normal.[详细]

2023-04-09 16:36 分类：问答
What is exactly a measure in star schema in data warehouse design?

Star schema consists of dimension and fact tables. Fact tables contain foreign keys for each dimension and in additio开发者_如何学JAVAn to that, it contains \"measures\". What exactly comprises of th[详细]

2023-04-09 11:02 分类：问答
oracle - moving data from to identical database

I have two databases with identical table layouts. There are a dozen or so tables of interest. They are a number of FK between them.[详细]

2023-04-08 08:37 分类：问答