I need someone’s help with a data analysis issue. I am analysing a dataframe with data about sleep. It has 5 columns as follows: data frame Enough – Do you think that you get enough sleep? Hours – On average, how many hours of sleep do you get on a weeknight? PhoneReach – Do you… Read More Python Column in Percentage
I have a data frame with a columns named ‘age’. The ages range from 6 – 90. Is there a way to group ages in interval range as ‘5-9′, ’10-14’ etc. So that we can display on a graph the age ranges between these instead of individual ages. >Solution : I hope this is useful:… Read More Split numeric values into given range
Learn how to filter Pandas dataframe using ‘in’ and ‘not in’ operators, similar to SQL. Master efficient data filtering techniques in Pandas for data analysis and manipulation.… Read More How to Filter Pandas Dataframe using ‘in’ and ‘not in’ like in SQL
None of the threads close to the topic that I could find (like this one) helped me so far. I have a C++ program that reads some data from a file, runs pretty complex and intensive operations and then writes outputs to new files. When I let the process run for few hours, here are… Read More Trying to understand why my C++ program is slowing down after running for long time
this is a sentiment analysis model made with tf-idf for feature extraction i want to know how can i save this model and reuse it. i tried saving it this way but when i load it , do same pre-processing on the test text and fit_transform on it it gave an error that the model… Read More Keep model made with TFIDF for predicting new content using Scikit for Python
I’m doing an inform and with a group we run the experiment ten time and had created 10 csv files. But opening all one line of code at a time must not be the most efficient way to open and read them and I know there must be a way to open them with a… Read More Is there a way that with a for cicle I could run through the archives in a file in jupyter lab/python?
I’m trying to get a signal out of aapl data but i got this error import numpy as np import pandas as pd import matplotlib.pyplot as plt from datetime import datetime apple_stock = pd.read_csv(‘AAPL.csv’) apple_stock = apple_stock.set_index(pd.DatetimeIndex(apple_stock[‘Date’].values)) ma30 = pd.DataFrame() ma30[‘AM’] = apple_stock[‘Adj Close’].rolling(window=30).mean() ma100 = pd.DataFrame() ma100[‘AM’] = apple_stock[‘Adj Close’].rolling(window=100).mean() data = pd.DataFrame() data[‘AAPL’]… Read More I got an error when extracting data from a csv file by pandas
I have a very big data frame with the orders for some products with a reference. This reference has periodical updates, so for the same product there are a lot of rows in the dataframe. I want to choose the last update for each reference, but i dont know why. For a reference, for example… Read More how to select the last value in a irregular data frame