Category "dataframe"

Using Pandas dataframe, how can I highlight cells whose length > 5 on certain columns and output a new column to describe the error?

Given the following dataframe: | Item Part No 1 | Item Part No 2 | Random Header | | --------------- | --------------- | ------------- | | abcde |

Pandas: transform column names to row values

I'm trying to achieve the transformation below on a pandas DataFrame. The Date columns are essentially being expanded to multiple rows and we get an entry per m

Pandas: Rolling window to count the frequency - Fastest approach

I would like to count the frequency of a value for the past x days. In the example below, I would like to count the frequency of value in the Name column for th

How to export large pandas Data Frame to excel format?

I have converted binary files to NumPy array and then pandas data frame. The final shape is 217 rows × 524289 columns. When I tried to save it as .xlsx fo

Groupby by a column and select specific value from other column in pandas dataframe

Input dataframe: +-------------------------------+ |ID Owns_car owns_bike| +-------------------------------+ | 1 1 0 | | 5

split the lines of a data frame into a variable number of lines based on a character in R [duplicate]

I have this df: df = data.frame(ID = c(1,2,3), A = c("h;d;c", "j;k", "k")) And i want to retrieve a new df with splited rows ba

split the lines of a data frame into a variable number of lines based on a character in R [duplicate]

I have this df: df = data.frame(ID = c(1,2,3), A = c("h;d;c", "j;k", "k")) And i want to retrieve a new df with splited rows ba

How to store the variables output inside a function during concurrent.futures.ProcessPoolExecutor from concurrent.futures

I am currently trying to store the output obtained in a function during multiprocessing by using concurrent.futures.ProcessPoolExecutor from concurrent.futures

how to covert a json to pandas dataframe when the value is completely in the string fomat

I am trying to convert the data from a json to dataframe. My son {"data":"key=IAfpK, age=58, key=WNVdi, age=64, key=jp9zt, age=47, key=0Sr4C, age=68, key=CGEqo,

Converting tensorflow dataset to pandas dataframe

I am very new to the deep learning and computer vision. I want to do some face recognition project. For that I downloaded some images from Internet and converte

Timeseries dataframe returns an error when using Pandas Align - valueError: cannot join with no overlapping index names

My goal: I have two time-series data frames, one with a time interval of 1m and the other with a time interval of 5m. The 5m data frame is a resampled version o

How to keep top 500 rows a csv loop (python) and overwrite each file

I am trying to read more than 100 csv files in python to keep the TOP 500 rows (they each have more than 55,0000 rows). So far I know how to do that, but I need

Pandas: return rows that have two matching columns commonality

I am trying to write a commonality script which will return rows in a pandas dataframe that have two matching columns, and also will sum up the number of rows w

How to select top level columns in multi header pandas dataframe

I have a multi header dataframe and it looks like that: SPY ARKW Open Hig

Is there a way to dynamically create new arrays from a dataframe

I have a table that looks like |Category|number|absorbance|protein1|protein2| |--------|------|----------|--------|--------| |a|int|float|float|float| |a|int|fl

Load Pandas Dataframe to S3 passing s3_additional_kwargs

Please excuse my ignorance / lack of knowledge in this area! I'm looking to upload a dataframe to S3, but I need to pass 'ACL':'bucket-owner-full-control'. i

How do I melt a pandas with custom nam

I have a table like this device_type version pool testMean testP50 testP90 testP99 testStd WidgetMean WidgetP50 WidgetP90 WidgetP99 WidgetStd PNB0Q

How do I melt a pandas with custom nam

I have a table like this device_type version pool testMean testP50 testP90 testP99 testStd WidgetMean WidgetP50 WidgetP90 WidgetP99 WidgetStd PNB0Q

Python Script to find file names from CSV will not concatenate

I am writing a script that will allow me to extract a segment of image files from a large folder. I put the image file names into a dataframe. I am having prob

Creating New columns from other pandas column

I would like to create a new Column from the genres column. The genres column contains one or multiple genres and I would like to create a column for each genre