Category "pandas"

Turning incomplete lines into new columns on Pandas

Folks, I have converted a PDF using tabula-py and, due to the formatting (there are two lines with names in each name cell) I get this: col1 name doc col

Nested Data inside output needing to be expanded

I have the following code import requests import json import pandas as pd import csv import numpy from pandas.io.json import json_normalize url = 'http://URL/a

What column should I assign to parse_dates while working with google finance?

I wrote a code to show a graph from google finance but i got this error: ValueError: Missing column provided to 'parse_dates': 'Date' This was my code: from bok

How to combine two columns in pandas dataframe and set values to them?

I have two columns in pandas dataframe Latitude and Longitude. I am trying two combine them in single column LOCATION. If we see the data there are only two loc

Assigning each excel sheet to a variable while looping (using openpyxl) and create dataframe of each sheets

I have an excel document with multiple sheets containing different data sets. For instance, first sheet has 2 column data where as the second sheet (sheet 2) ha

How align content in every cell to center?

I'm trying to center the table content using df.style.set_properties(**{'text-align': 'center'}). But I couldn't do it. Is there any other way? Here is the full

How do I match variations of a pandas string based on a list?

I have a pandas dataframe with one column containing country names and I'd like to flag them if they appear in a list of countries I have. However, some of the

Why is there an extra row of zeros in the histogram of images in a folder?

I have a folder comprising 20 images (.jpg format). I am trying to obtain the histogram of each of the images and store it as a Pandas data frame. My code is sh

Python pandas - series to dataframe

. How do I print out only the country names that exist in the dataframe among series with country names as index?

Extract nested values from data frame using python

I've extracted the data from API response and created a dictionary function: def data_from_api(a): dictionary = dict( data = a['number'] ,created_b

Replace null values by the mean of each group

I have a dataset similar to below with several columns which contain Nan values. I would like to group the dataset by location and fill the Nan in Iso code and

Pandas store a json into a pandas column

I have a pandas dataframe like this data = {"Name": ["Tom", "nick", "kish", "jack"], "Age": [20, 21, 19, 18]}

Remove zeros from Dataframe of lists

I have such a DataFrame: index B 0 [0,1,2,0,4] 1 [1,0,2,0,0,1,7] I want to count the non zero values of each list for each row. Result: index B 0 3 1 4

LabelEncoding a permutation of combination of columns

I'd like to create class labels for a permutation of two columns using sklearn's LabelEncoder(). How do I achieve the following behavior? import pandas as pd im

(Pandas, Python) Selecting indices of a parent DF based on shared column values with a child DF

(I recently asked this question on r/learnpython (here), but didn't get any feedback, so am re-posting it verbatim here. Hope that is okay!) Suppose I have a D

Python rank: give negative rank to negative numbers

I have a basic set of data like: ID Value A 0.1 B 0.2 C -0.1 D -0.01 E 0.15 If we use data.rank() we get the result: ID Value A 3 B 5 C 1 D 2 E 4 Bu

Filter column list based on another column in Python

In Python, I have a dataset like this below, where column1 and column2 are objects and not strings: data = {'id': ['first_value', 'first_value', 'second_value'

Xarray: grouping by contiguous identical values

In Pandas, it is simple to slice a series(/array) such as [1,1,1,1,2,2,1,1,1,1] to return groups of [1,1,1,1], [2,2,],[1,1,1,1]. To do this, I use the syntax:

What could be wrong with a Pandas DataFrame?

I couldn't make head or tail of this: I have a function that reads a bunch of csv files from a S3 bucket, concats them and returns the DataFrame: def create_df(

i want to make urls

1.Link is "https://www.xyz.{country}/dp/{asin}" 2.I have to pick two things from csv file which country and asin. CSV file contains : Asin Country 0