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R distance one against all

I have preprocessed a list of text documents using tm. Then I have created the DTM. Then I have transformed the DTM in a matrix like this:

t1 t2 t3 t4 t5 t6

A 0 0 1 5 3 1

B 1 3 5 3 2 2

C 3 0 6 0 0 0

D 1 2 0 0 0 0

where t1, t2, t3, t4, t5, t6 are words, A,B,C,D are the documents and the numbers inside the matrix are the frequecies of each word in each document.

I have then used the dist function of proxy package to calculate the Manhattan distance between the items A,B,C,D of the matrix.

This function compare and returns the distances between all the items A,B,C,D (all combinations).

Is there a way to calculate the distance (Manhattan, Euclidean) between only one specific item and all other? For example the distance between A and all other documents (B, C and D) without calculating the distances between all other documents?

I'm requiring an example code with the explanation of each passage.

Thank you.

Kĩ năng: Lập trình C, Lập trình C#, Lập trình C++, Toán học, Ngôn ngữ lập trình R

Xem nhiều hơn: word document content html, compile word document, read word document macro, word document excel, converting pdf word document maintaining layout, post word document dreamweaver, indentation word document, copying data word document excel document, sample word document formatting, word document signature, import word document access database, excel word document, word document error, sending microsoft works page microsoft word document, protect word document using access database

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( 2 nhận xét ) ROMA, Italy

ID dự án: #16668473

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