Relating to up- or down-sampling time series data in the Python package pandas, specifically the methods pandas.DataFrame.resample() and pandas.Series.resample().
Questions tagged [pandas-resample]
314 questions
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Resampling of MultiIndex
I would like a daily breakdown of a dataset by type. There are not records for every day for every type, where they don't exist I would like NaN.
I'm able to get a 'resampled to daily' result, but the type is ommitted.
The code below should be a…

GinjaNinja
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Pandas group by rersample aggregation with sum by date and index
I have a complicated problem with pandas.I would like to calculatea cumlative sum depending on the timestamp start_date concerning that we have an end_date which if greater than 1970 is taken into account otherwise gets subtracted from the…

m_ennk
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How can I get merge table column resample in python?
I have a question handling dataframe in pandas.
I really don't know what to do.
Could you check this problem?
[df1]
This is first dataframe and I want to get second dataframe.
Like this
I got a index value DATE(Week), DATE(Month) using resample…

bonbon
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How can I fill gaps by mean in period datetime column in pandas dataframe?
I have a dataframe like below:
df = pd.DataFrame({'price': ['480,000,000','477,000,000', '608,700,000', '580,000,000', '350,000,000'], 'sale_date': ['1396/10/30','1396/10/30', '1396/11/01', '1396/11/03', '1396/11/07']})
df
Out[7]:
price …

saeedzali
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Downsampling in Pandas DataFrame by dividing observations into ratios
Given a DataFrame having timestamp (ts), I'd like to these by the hour (downsample). Values that were previously indexed by ts should now be divided into ratios based on the number of minutes left in an hour. [note: divide data in ratios for NaN…

s_mj
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Pandas - resample rows based on another df index
I have a datframe looks like this:
zone Datetime Demand
48 2020-08-02 00:00:00 14292.550740
48 2020-08-02 01:00:00 14243.490740
48 2020-08-02 02:00:00 9130.840744
48 2020-08-02 03:00:00 10483.510740
48 2020-08-02…

Gal Perelman
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pandas resample uneven hourly data into 1D or 24h bins
I have weekly hourly FX data which I need to resample into '1D' or '24hr' bins Monday through Thursday 12:00pm and at 21:00 on Friday, totaling 5 days per week:
Date rate
2020-01-02 00:00:00 0.673355
2020-01-02 01:00:00…

trock2000
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Pandas: Resampling Hourly Data for each Group
I have a dataframe that conains gps locations of vehicles recieved at various times in a day. For each vehicle, I want to resample hourly data such that I have the median report (according to the time stamp) for each hour of the day. For hours where…

M_K_
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How to wrap pandas resample method?
I have a recurring pandas issue, which I'd like to solve by wrapping the .resample method. I just can't figure out, how.
Background (not essential)
I have timezone-aware timeseries, e.g.:
s = pd.Series([5,19,-4], pd.date_range('2020-10-01',…

ElRudi
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got error while resample live streaming data to 15m
i hv got multiple error massage while going to resampling live streaming data to 15M time frame, if i remove we remove resampling code, the programing working fine.
import time,os,datetime,math …

Anchal2804
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Missing Date Values
I have a table of entries as listed below. The table has missing date entries which I want to populate with end of the month missing date values. For the 1st columns, the added rows of missing date entries should be populated with the same values…

Bappa
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Is there a function to get the difference between two values on a pandas dataframe timeseries?
I am messing around in the NYT covid dataset which has total covid cases for each county, per day.
I would like to find out the difference of cases between each day, so theoretically I could get the number of new cases per day instead of total…

sc4s2cg
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Pandas group by date range of one column and apply values to list of a second column
I have set my index to be dates.
I can group the dates per month and apply an aggregating function, but I cannot group the dates by month and apply(list) the values of another column (the column named…

Iri
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Output last row of each year
My dataframe look like this:
Close Volume Dividends
Date
2014-08-07 14.21 4848000 0.00
2014-08-08 13.95 5334000 0.00
2014-08-11 14.07 4057000 0.00
2014-08-12 14.13 2611000 …

Lawrence How
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Expanding datetime column to include all rows of data - pandas
I have dataset which has forecast data which is updated ambiguously over a 42 hour period. Here is a sample:
df_old = pd.DataFrame({'IssueDatetime': ['2010-01-01 09:00:00', '2010-01-01 09:00:00', '2010-01-01 09:00:00','2010-01-01…

Jordan Ford
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