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794
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How to efficiently find top-k elements?

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#hadoop #mapreduce #tf-idf
244
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Do I need to transform unseen documents before projecting them onto model topics?

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#python #tf-idf #lda #gensim
210
Views

How do we ignore the order of letters in calculating Levenshtein distance?

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#python #levenshtein-distance #tf-idf #cosine-similarity #edit-distance
1.8k
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LDA with tm package in R using bigrams

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#r #text-mining #tm #tf-idf #lda
159
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Incorporating new articles in tfidf vector for online clustering

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#cluster-analysis #mahout #k-means #text-mining #tf-idf
13.2k
Views

Find the tf-idf score of specific words in documents using sklearn

Published on
#python #scikit-learn #tf-idf
328
Views

Can I check the frequencies of predetermined words or phrases in document clustering using R?

Published on
#r #text-mining #tf-idf
173
Views

How can I group words based on how often they are used in the same sentence?

Published on
#ruby #grouping #tf-idf
139
Views

Algorithm to group parts of documents that belong together

Published on
#algorithm #graph #text-processing #tf-idf
747
Views

Why the following tfidf vectorization is failing?

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#scikit-learn #tf-idf
1.5k
Views

tf:idf text analysis in r

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#r #rstudio #text-mining #tf-idf
577
Views

how to get the most representative features in the following tfidf model?

Published on
#scikit-learn #tf-idf
3k
Views

Calculate SVD on a TF-IDF matrix

Published on
#python #tf-idf #svd
4.9k
Views

IndexError: only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices using skfeature

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#python #numpy #scikit-learn #tf-idf
3.5k
Views

Alternatives to TF-IDF and Cosine Similarity (comparing documents with different formats)

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#nlp #data-mining #tf-idf #cosine-similarity
1.1k
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K- means defining Initial Centers for tf-idf matrix

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#python #numpy #scikit-learn #k-means #tf-idf
5.3k
Views

Spark MLLib TFIDF implementation for LogisticRegression

Published on
#java #apache-spark #apache-spark-mllib #tf-idf
740
Views

How is a query in this example turned into a unit vector using term frequency and normalization?

Published on
#algorithm #information-retrieval #tf-idf
911
Views

Is the idf for query same as idf for documents?

Published on
#python #text-processing #tf-idf
590
Views

How to choose the initial clusters for K-mean from Tf-IDF vectors

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#cluster-analysis #mahout #k-means #text-mining #tf-idf

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