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).

Error when trying to use stl and decompose functions in R

I have made a simple time-series, i added a little noise to a sin function and tried to decompose it …

r time-series forecasting
Converting data.frame to xts order.by requires an appropriate time-based object

I have this following data frame: > head(table,10) Date Open High Low Close Volume Adj.Close 1 2014-04-11 32.64 33.48 32.15 32.87 28040700 32.87 2 2014-04…

r error-handling dataframe time-series xts
How to properly add hours to a pandas.tseries.index.DatetimeIndex?

I have a normal df.index that I would like to add some hours to it. In [1]: test[1].index Out[2]: &…

python pandas indexing time-series dataframe
Holt-Winters time series forecasting with statsmodels

I tried forecasting with holt-winters model as shown below but I keep getting a prediction that is not consistent with …

python time-series statsmodels forecasting holtwinters
Resampling Within a Pandas MultiIndex

I have some hierarchical data which bottoms out into time series data which looks something like this: df = pandas.DataFrame( {…

python pandas time-series multi-index hierarchical-data
Time series and stl in R: Error only univariate series are allowed

I am doing analysis on hourly precipitation on a file that is disorganized. However, I managed to clean it up …

r time-series decomposition
Using a date field in a ts?

I wonder how I can make use of an already existing date field when creating a ts in R. Sometimes …

r time-series
Start, End and Duration of Maximum Drawdown in Python

Given a time series, I want to calculate the maximum drawdown, and I also want to locate the beginning and …

python numpy time-series algorithmic-trading
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
Python & Pandas - Group by day and count for each day

I am new on pandas and for now i don't get how to arrange my time serie, take a look …

python python-3.x pandas time-series