Top "Time-series" questions

A Time series is a sequence of data points with values measured at successive times (either in continuous time or at discrete time periods).

How to customize title, axis labels, etc. in a plot of a decomposed time series

I'm reasonably familiar with the usual ways of modifying a plot by writing your own x axis labels or a …

r plot time-series timeserieschart
Why OpenTSDB chose HBase for Time Series data storage?

I would really appreciate if somebody put some light on the choice of HBase as a data storage engine for …

hbase time-series opentsdb
R forecast season and trend of data using stl and arima

I have a data series that has a seasonal component, a trend and an arma part. I want to forecast …

r stl time-series forecasting
The curious case of ARIMA modelling using R

I observed something strange while fitting an ARMA model using the function arma{tseries} and arima{stats} in R. There …

r time-series kalman-filter hessian-matrix
How to get the sum of each four rows of a matrix in R

I have a 4n by m matrix (sums at 7.5 min intervals for a year). I would like to transform these …

r time-series summary
Clustering time series data in Python

I am trying to cluster time series data in Python using different clustering techniques. K-means didn't give good results. The …

machine-learning time-series cluster-analysis hierarchical-clustering
Keras LSTM: a time-series multi-step multi-features forecasting - poor results

I have a time series dataset containing data from a whole year (date is the index). The data was measured …

python tensorflow keras time-series lstm
Unable to Initialize ngx-charts with API fetched Data

I'm having some bad times while trying to initialize a chart built using ngx-charts with API fetched data. I built …

angular typescript charts time-series ngx-charts
Computing Autocorrelation with FFT Using JTransforms Library

I'm trying to calculate autocorrelation of sample windows in a time series using the code below. I'm applying FFT to …

java fft time-series correlation