I have a long dataframe with multiple timeseries which are non overlapping. The df looks like this For the time series with id 1, the missing timestamps are 5,6 and 7 and the time series #2 misses timestamps 0 and 1. I would like to fill the missing dates for all the time series in the dataframe so all of
Tag: pandas
Converting Unix timestamp to timestamp including the local time of a certain timezone
I have following code: First line runs but when I try to set the new timestamp as a local time for that timezone I get an error as – **to_datetime() got an unexpected keyword argument ‘tz’** Thanks Answer or alternatively
Drop rows in df based on if file name from df exists in folder
I have a dataframe which contains 40108 rows and a folder with pictures (only using a sample of the total 40108 pictures) containing 997 files. The file names of the images correspond to the rows in the column ‘imdbId’ in the df, with the addition that they have the .jpg suffix. I would like to dr…
How to change index and transposing in pandas
I’m new in pandas and trying to do some converting on the dateframe but I reach closed path. my data-frame is: I need this dataframe to be like the following: as it shown I take the entity_name column as index without duplicates and the columns names from request_status column and the value from dcount …
not able to read currency symbol from the cell using pandas python
I am using pandas.read_excel(file) to read the file, but instead of getting number with currency symbol its giving numbers only not with currency symbol. help will be appreciated. thanks]1 Answer When the Excel file is read by Pandas it reads the underlying value of the cell which fundamentally is either a st…
How to extract Excel PivotCache into Pandas Data Frame?
First time posting here, I apologize if this question has been asked before – I can’t find anything that applies. Is there a way to read the underlying data from an Excel PivotTable into a Pandas Data Frame? For several years I’ve had an Excel Auto_Open macro that downloads several Excel fil…
Save DataFrame to csv encounters error “ImportError: cannot import name ‘StringIO'”
I have a pandas DataFrame output_df that I can manipulate or print without problems. However, when I run output_df.to_csv(output_filename), it gives an error: My pandas version is 0.25.1 Answer got it from here It seems that you have to downgrade your pandas version to 0.24.2 or lower. Hope it helps
Unstack and return value counts for each variable?
I have a data frame that records responses of 19717 people’s choice of programing languages through multiple choice questions. The first column is of course the gender of the respondent while the rest are the choices they picked. The data frame is shown below, with each response being recorded as the sa…
Pandas Styler Subset column by values
I’m using the following to color the cells in a dataframe: This successfully applies the background gradient to the values in col1 However, I’d like to something like the following: Which does not work The idea is to only apply the gradient to values in col1 which are less than x, and display the …
Best method for sending large pandas dataframe to SQL database?
I have a pandas dataframe which has 10 columns and 10 million rows. I have created an empty table in pgadmin4 (an application to manage databases like MSSQL server) for this data to be stored. However, when running the following command: It takes a very long time in order to run and often crashes my jupyter k…