I have the following two dataframes: and in df2 I have some missing timestamps compared to df1. I am able to find those timestamps using the following code: I want to populate those missing timestamps in df2 and fill in the values of the columns with the average value of the two previous rows. So the new df2 …
Tag: timestamp
How to convert time stamp in Python from dd/mm/yy hh:mm:ss:msmsms to yyyy-mm-dd hh:mm:ss:msmsmsmsmsms
I have created an automated data client that pulls data from a txt file and inputs it into a csv file. Each data entry contains a timestamp, but it is not in the format I need it in, I need it to match the datetime.now() format: ORIGINAL FORMAT [03/11/22 01:06:09:190] DESIRED FORMAT 2022-11-03 01:06:09.190000…
How to handle json query when list object is a timestamp?
i am making a Python script to check my power prices. and i cannot figure out how to handle this data, when the the list object is a timestamp… in example this query this is what i get from the api, and i would like to know how to handle it. i have been googling, an i cannot find my
Create a dataframe containing all weekends in a given year
Good afternoon, I would like to create a function that, given a year, would return a dataframe with all the dates in Timestamp format related to the Saturdays and Sundays of that year. That is to say: The function would return: If you can tell me an optimal way to get that dataframe I would be grateful. Answe…
How can convert struct column timestamp with start and end into normal pythonic stamp column?
I have a time-series pivot table with struct timestamp column including start and end of time frame of records as follow: Since later I will use timestamps as the index for time-series analysis, I need to convert it into timestamps with just end/start. I have tried to find the solution using regex maybe unsuc…
Timestamp of Outlook emails using Python
Is it possible to use Python to extract timestamps from received email? I’m using the following code but to no avail: I only get one date published repeatedly for each email. (i.e., 2021-11-22, 2021-11-22, 2021-11-22…….) Any help will be much appreciated. Answer Well, of course – you o…
Dropping rows at specific minutes
I am trying to drop rows at specific minutes ( 05,10, 20 ) I have datetime as an index Then I run below it returnes invalid syntax error. Answer You can just do it using boolean indexing, assuming that the index is already parsed as datetime. Or the opposite of the same answer:
Python: Round decimal places after seconds in timestamp
I have this series: Initially, I wanted to round to seconds by doing: However, I am trying to merge this dataset to another of higher frequency. So I’d like to round the decimal places of the timestamp instead. Example: 2021-06-15 16:23:04.388 would become 2021-06-15 16:23:04.380 How can I do this? to a…
Why does my date column change when I convert to an ndarray
below is my dataframe when I convert my ‘Year” column to list(), they are saved as time stamp However, when I convert to values they are saved as datetime64 How do I get my array in Timestamp itself (instead of datetime64 format)? Answer It’s converted to a datetime64 because numpy arrays on…
What is the best practice to convert HTTP timestamps to standard format during dataframing using pandas in python?
I’m trying to convert HTTP timestamps into standard timestamp for complete data framing and getting time-series plots. I’m looking for an efficient way to do this for the large dataset. My actual data frame is as follows: I have tried couple of the following methods and get errors: This returns me…