Top "K-means" questions

In statistics and data mining, k-means clustering is a method of cluster analysis which aims to partition n observations into k clusters in which each observation belongs to the cluster with the nearest mean (least squares).

Cluster one-dimensional data optimally?

Does anyone have a paper that explains how the Ckmeans.1d.dp algorithm works? Or: what is the most optimal …

r cluster-analysis k-means
Error initializing SparkContext: A master URL must be set in your configuration

I used this code My error is: Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties 17/02/03 20:39:24 INFO …

scala apache-spark k-means
How can I perform K-means clustering on time series data?

How can I do K-means clustering of time series data? I understand how this works when the input data is …

matlab time-series cluster-analysis data-mining k-means
Understanding "score" returned by scikit-learn KMeans

I applied clustering on a set of text documents (about 100). I converted them to Tfidf vectors using TfIdfVectorizer and supplied …

python scikit-learn k-means
What makes the distance measure in k-medoid "better" than k-means?

I am reading about the difference between k-means clustering and k-medoid clustering. Supposedly there is an advantage to using the …

machine-learning cluster-analysis data-mining k-means
KMeans clustering in PySpark

I have a spark dataframe 'mydataframe' with many columns. I am trying to run kmeans on only two columns: lat …

machine-learning pyspark k-means apache-spark-mllib apache-spark-ml
How to identify Cluster labels in kmeans scikit learn

I am learning python scikit. The example given here displays the top occurring words in each Cluster and not Cluster …

python machine-learning scikit-learn cluster-analysis k-means
What is the time complexity of k-means?

I was going through the k-means Wikipedia page. Based on the algorithm, I think the complexity is O(n*k*…

algorithm time-complexity k-means
R - 'princomp' can only be used with more units than variables

I am using R software (R commander) to cluster my data. I have a smaller subset of my data containing 200 …

r cluster-analysis k-means pca r-commander
kmeans: Quick-TRANSfer stage steps exceeded maximum

I am running k-means clustering in R on a dataset with 636,688 rows and 7 columns using the standard stats package: kmeans(…

r cluster-analysis k-means