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New posts in time-series
How to create a new column with the derivative of a set of time serie values
May 02, 2026
r
dplyr
time-series
tidyr
derivative
How to subtract first and last values in grouped data for all columns in dataset using pandas
May 02, 2026
python
pandas
time-series
pandas-groupby
aggregate
Average in time series based on time and date in R
Apr 27, 2026
r
time-series
average
xts
Time series querying in Postgres
Apr 28, 2026
sql
postgresql
time-series
greatest-n-per-group
generate-series
Jarque Bera Test with NA's
Apr 27, 2026
r
statistics
time-series
hypothesis-test
Using data.table to summarize monthly sequences (count specific events)
Apr 28, 2026
r
data.table
time-series
Plot value over hour of day with xts/zoo R
Apr 27, 2026
r
time-series
xts
zoo
Cannot reproduce the prediction made by arima
Apr 26, 2026
r
time-series
Efficient time series sliding window function
Apr 27, 2026
python
pandas
dataframe
time-series
rolling-computation
Down-sampling Non-Time Series data
Apr 26, 2026
python-3.x
pandas
matplotlib
time-series
resampling
How to add annotation to vertical line
Apr 26, 2026
python
matplotlib
time-series
data-annotations
plot-annotations
Drop duplicates in pandas time series dataframe
Apr 22, 2026
python
pandas
dataframe
time-series
Keras validation accuracy is 0, and stays constant throughout the training
Apr 23, 2026
machine-learning
keras
neural-network
time-series
lstm
How to create timeseries by grouping entries in R?
Apr 22, 2026
r
count
group-by
time-series
Calculating the difference in dates in a Pandas GroupBy object
Apr 22, 2026
python
pandas
time-series
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