Top "Outliers" questions

An outlier is an observation that appears to be unusual or not well described relative to a simple characterization of a dataset.

How to replace outliers with the 5th and 95th percentile values in R

I'd like to replace all values in my relatively large R dataset which take values above the 95th and below …

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How to use Isolation Forest

I am trying to detect the outliers to my dataset and I find the sklearn's Isolation Forest. I can't understand …

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Outlier detection of time series data in R

What are the steps needed to detect outliers in business sales data (which means there might be trends and seasonality) …

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Removing outliers from a k-mean cluster

I have number of smaller data sets, containing 10 XY coordinates each. I am using Matlab (R2012a)and k-means to …

matlab data-mining cluster-analysis k-means outliers
How to detect outliers in an ArrayList

I'm trying to think of some code that will allow me to search through my ArrayList and detect any values …

java arraylist outliers
Outlier detection in data mining

I have a few sets of questions regarding outlier detection: Can we find outliers using k-means and is this a …

data-mining svm outliers
Finding the outlier points from matplotlib : boxplot

I am plotting a non-normal distribution using boxplot and interested in finding out about outliers using boxplot function of matplotlib. …

python matplotlib outliers
Search for and remove outliers from a dataframe grouped by a variable

I have a data frame that has 5 variables and 800 rows: head(df) V1 variable value element OtolithNum 1 24.9835 V7 130230.0 Mg 25 2 24.9835 V8 145844.0 …

r group-by dataframe dplyr outliers
How exactly are outliers removed in R boxplot and how can the same outliers be removed for further calculation (e.g. mean)?

In a boxplot I've set the option outline=FALSE to remove the outliers. Now I'd like to include points that …

r mean outliers
Outlier detection with k-means algorithm

I am hoping you can help me with my problem. I am trying to detect outliers with use of the …

r k-means outliers