Top "Data-mining" questions

Data mining is the process of analyzing large amounts of data in order to find patterns and commonalities.

What is the difference between linear regression and logistic regression?

When we have to predict the value of a categorical (or discrete) outcome we use logistic regression. I believe we …

machine-learning data-mining linear-regression
Difference between classification and clustering in data mining?

Can someone explain what the difference is between classification and clustering in data mining? If you can, please give examples …

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Can someone give an example of cosine similarity, in a very simple, graphical way?

Cosine Similarity article on Wikipedia Can you show the vectors here (in a list or something) and then do the …

text data-mining cosine-similarity
Calculate AUC in R?

Given a vector of scores and a vector of actual class labels, how do you calculate a single-number AUC metric …

r machine-learning data-mining auc
How does the Amazon Recommendation feature work?

What technology goes in behind the screens of Amazon recommendation technology? I believe that Amazon recommendation is currently the best …

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Can anyone give a real life example of supervised learning and unsupervised learning?

I recently studied about supervised learning and unsupervised learning. From theory, I know that supervised means getting the information from …

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How to calculate the regularization parameter in linear regression

When we have a high degree linear polynomial that is used to fit a set of points in a linear …

machine-learning data-mining regression
Decision tree vs. Naive Bayes classifier

I am doing some research about different data mining techniques and came across something that I could not figure out. …

data-mining decision-tree bayesian-networks
What information can we access from the client?

I'm trying to compile a list of information that is accessible via javascript such as: Geo-location IP address Browser software …

javascript data-mining data-retrieval
How many principal components to take?

I know that principal component analysis does a SVD on a matrix and then generates an eigen value matrix. To …

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