Top "Data-mining" questions

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

can "splitting attribute" appear many times in decision tree?

Just want to clarify one thing: the same attribute can appear in decision tree for many times as long as …

machine-learning data-mining decision-tree
Use feedback or reinforcement in machine learning?

I am trying to solve some classification problem. It seems many classical approaches follow a similar paradigm. That is, train …

machine-learning data-mining
Cosine similarity when one of vectors is all zeros

How to express the cosine similarity ( http://en.wikipedia.org/wiki/Cosine_similarity ) when one of the vectors is all …

machine-learning cluster-analysis data-mining cosine-similarity
How to plot/visualize a C50 decision tree in R?

I am using the C50 decision tree algorithm. I am able to build the tree and get the summaries, but …

r plot visualization data-mining decision-tree
Parameter estimation in DBSCAN

I need to find naturally occurring classes of nouns based on their distribution with different preposition (like agentive, instrumental, time, …

data-mining cluster-analysis dbscan
Similarity distance measures

Vectors like this v1 = {0 0 0 1 1 0 0 1 0 1 1} v2 = {0 1 1 1 1 1 0 1 0 1 0} v3 = {0 0 0 0 0 0 0 0 0 0 1} Need to calculate similarity between them. Hamming distance between v1 and v2 is 4 and …

vector data-mining similarity hamming-distance
How to scale input DBSCAN in scikit-learn

Should the input to sklearn.clustering.DBSCAN be pre-processeed? In the example http://scikit-learn.org/stable/auto_examples/cluster/plot_…

scikit-learn cluster-analysis data-mining dbscan
Trajectory Clustering: Which Clustering Method?

As a newbie in Machine Learning, I have a set of trajectories that may be of different lengths. I wish …

algorithm machine-learning cluster-analysis data-mining
Can someone please explain data mining, SSIS, BI, ETL and other related technologies?

I was talking with a co-worker yesterday regarding a situation where he used SSIS (or something like that) to do …

ssis business-intelligence data-mining
what is the difference between Association rule mining & frequent itemset mining

i am new to data mining and confuse about Association rules and frequent item mining. for me i think both …

data-mining