Category "pandas"

create dataframe as week and their weekly sum from dictionary of datetime and int

I have datetime and int values dictionary like below. details = { datetime.datetime.strptime("04-01-2021", "%d-%m-%Y") : 15, datetime.datetime.strptime(

Trying to convert pandas df to np array, dtaidistance computes list instead

I am attempting to compute the distance matrix for an ndarray that I have converted from pandas. I tried to convert the pandas df currently in this format: move

Import local ".py" library in powerbi python scripting

I have written a python library (ak_sql.py) to query my sql server and written another ".py" script (query_sql.py) to invoke this library and return data in dat

How to extract a specific range out of a dataframe and store it in another dataframe and then delete the range out of the original dataframe | pandas

I have some timeseries of energy consumption and i can eyeball when someone is on holidays if the consumption is under a certain range. I have this piece of cod

Nested JSON to Multiple Dataframe in Pandas

I am trying to build a tool which can take any JSON data and convert that into multiple data frame based on data types. I am trying to add each data frame with

Why is my function parameter for Pandas to_datetime() being ignored?

I have a Pandas data frame with a column containing months and years. Unfortunately, the values are currently string objects not datetime objects; This means th

changing frequency in a pandas SeriesGroupBy

I'm struggling to find a simple way to change a frequency of a pd.Series that is grouped on some level of a pd.MultiIndex (so it's a pd.core.groupby.generic.Ser

Error in running Pandas Profile report Python

I try to do an exploratory data analysis with the Python package pandas ProfileReport, but I get the following error: Summarize dataset: 40%|██`

Dataframe returning empty after assignment of values?

Essentially, I would like to add values to certain columns in an empty DataFrame with defined columns, but when I run the code, I get. Empty DataFrame Columns:

how to create dependent dropdownlist in python and streamlit?

based on the answer of this post i was able to display the dataframe after apply the required filter. I have a streamlit code that display multiple dropdown l

Getting SettingWithCopyWarning with iloc or loc when some filtering is done on the dataframe wit regex [duplicate]

I have the following statement to compute the mean of three quiz scores and create a new column based on the computed mean: scores.loc[:, 'Ave

How to json_normalize nested json arrays

I have the complex json structure as below. I am able to json_normalize only first level of array (MatchingReleases.MatchingRelease). whereas I have one more

How can I substring to specific character in pandas?

For example, I have 2 columns(1,2), and in table 2 I want to fetch everything until " character. I wanted to do something like this: df.columns = ['1','2'] a =

fastapi using ORM not able to convert to pandas

I've been developing a fastapi way to query my database, instead of directly using SQL with pg. For some reason, I'm having issues converting the ORM query retu

`pd.read_sql(sql, engine)` raises NotImplementedError: This method is not implemented for SQLAlchemy 2.0

I tried to create a pandas DataFrame directly from my sqlserver database using an sqlalchemy engine: engine = create_engine(URL_string, echo=False, future=True)

pandas | list in column to binary column

I have the following dataframe: +------------+------------------+ | item | categories | +------------+------------------+ | blue_shirt | ['red', 'wh

How to find current upper Bollinger band in pandas-ta

I have a CSV file having columns Instrument, Date, Time, Open, High, Low, Close I want the rows having Current close greater than current upper Bollinger band(2

custom method for voting bewtween multiple csv files

I have 3 (or more) Dataframes with this structure: ID Percentage 00001 3 00002 15 00003 73 00004 90 ... ... each csv have unique predicted percentage values a

Pandas Dataframe Categorical data transformation

I am having pandas dataframe as follows: import pandas as pd # dictionary with list object in values # Item=[Item1, Item2, Item3] details = { 'Date' : [

Use Index of the Loadings (IL) method to calculate the optimal number of principal components

I want to use Index of the Loadings method to calculate the optimal number of principal components using the index_of_loadings_matrix function. My dataframe was