Questions tagged [python-3.x]

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Can the k-index in either of the two individual locations be used to predict the estimated kp-index?

The k-index measures the condition of the magnetosphere. It is usually averaged over three hour, so each day has 8 measurements. The planetary k-index (kp-index) is an average of the measures taken ...
S. M.'s user avatar
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Neural Network for binary classification not working

I have made a neural network that was working correctly as a multi-class classifier, but after changing the loss and the activation function, plus the output layer to just 1 neuron, it is not working ...
alex martinez's user avatar
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ValueError: could not broadcast input array from shape (224,672,3) into shape (224,672)

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g vijaya kiran's user avatar
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2060 Illegal instruction (core dumped) when importing Tensorflow in Python 3.8.18

I am attempting to run the experiments found here: https://github.com/risingfbk/p4ddle/tree/main/p4-ddos/p4ddle However when I run the line: ./experiment_**.sh I ...
The Radiant's user avatar
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10 views

NameError (solidity, brownie, python)

I'm writing a deploy script in Python (below) to deploy a smart contract using Brownie. When I compile I get an error that MockV3Aggregator is not defined. I have already created a file called ...
auditorchick's user avatar
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30 views

problems trying to install PIP

Ugh I'm so frustrated. I'm trying to install pip for vscode so I can get py-solc-x. I downloaded python (it shows that I'm on python 3.10.12 when i run python --version). But when I run install ...
auditorchick's user avatar
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1 answer
26 views

Very basic python question [closed]

I am doing the free interactive learn python tutorial, and I am on the first conditions lesson. The task was to make it so that every statement in the following code resolved true. The code below was ...
auditorchick's user avatar
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15 views

Visualizing three parameters dataset, in which parameters are sub-group of one another

I am trying to represent air quality for zones within a city. Initially, based on various factors zones were classified into four exposure categories (1,2,3,4).Those four categories were further sub-...
joseph_k's user avatar
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How to generate synthetic data samples of Raman Spectroscopy by using GAN?

I am working on the Raman Spectroscopy dataset. The wavenumber/frequency range used by Raman spectra starts from 151.25 and ends at 1999.17. These values are used on the x-axis. While amplitude/...
Sagheer Ahmed's user avatar
1 vote
2 answers
390 views

Why am I getting this TypeError: quantile() got an unexpected keyword argument 'numeric_only' for pandas quantile()?

I ran into a weird error with pandas quantile() (pandas.DataFrame.quantile()) method. I have a dataframe with both numeric and non-numeric columns. I wanted to ...
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Tensorflow loss: 0.0000e+00 - accuracy: 0.0000e+00

I was making changes to improve myself in a chatbot code using LSTM. But Loss and truth values are getting ridiculous values. Code: ...
willy.js's user avatar
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Using images with 5 or more channel in a tf.data pipeline

I have a data generator used to train FCNs (eg Unets) that uses tf.data. The image parser followed by the creation of the tf.data dataset for the training images looks like: ...
Patrice Carbonneau's user avatar
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1 answer
40 views

Plot Clustered Data by kmeans with colors for clusters and shapes for external labels

I wrote some Python code that uses the output from a principal component analysis to perform k-means on. The output to my script below is Cluster 1: Data Points: [[ 1.87192346 -1.12568277] [ 1....
Squirtle's user avatar
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49 views

Highlight specific paragraphs from documents

I have a bunch of documents in which I want to highlight certain paragraphs/keyphrases. I have a list of the most frequently appearing sentences and I want to search for these paragraphs/keyphrases in ...
spectre's user avatar
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ML with Python - extract information from user text

I'm a web developer, got a little experience with Python but none on ML. Tour operator customer want to introduce AI/ML on his website, the goal is to have a single text input where user can prompt ...
fudo's user avatar
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1 answer
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What are the approaches for extracting an injury and its description from a paragraph?

Suppose I have a paragraph which explains the injuries and its descriptions. I want to extract the injuries and its corresponding descriptions from the text. How can I do that? For example, the ...
SRJ577's user avatar
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3 votes
1 answer
498 views

Sentence tokenization for sentence without punctuation

I wish to perform sentence tokenization for sentence without punctuation, below is the code: ...
william007's user avatar
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0 answers
7 views

input shape in ASR training

Sorry for stupid question but can someone say what is the shape of input batch in ASR training? Because as I understood, if we work with spectrogram we got something like ...
EZpeezy's user avatar
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28 views

Implementing efficient "Customers who viewed this, also bought that" recommendation algorithm

I'm not sure how to formulate this but I'll have a go. This code should be completely reproducible given the data below. I hope I've been clear in my question. I'm trying to implement a recommendation ...
Parseval's user avatar
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0 answers
13 views

Python frameworks to write an application with this architecture in azure

I'm renting an azure vm with 2vcpu with 2gb each (F2s or F2s v2) to implement an application with the following structure: Db1 (run every 2 hr) --- if trigger (and less than 3 confirmations from this ...
user9085964's user avatar
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21 views

get market cap from nseindia.com for given symbol list python way

get market cap from nseindia.com for given symbol list python way https://www.nseindia.com/get-quotes/equity?symbol=RELIANCE**strong text** Trade Information| Total Market Cap (₹ Lakhs): 15,77,02,517....
rpagrawal's user avatar
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539 views

lightgbm issue ValueError: Input numpy.ndarray or list must be 2 dimensional

Problem Build prediction accuracy model using lightgbm on New York Taxi Duration dataset. Problem is "ValueError: Input numpy.ndarray or list must be 2 dimensional" with lightgbm.predict() ...
LeadershipAnalyticsManger's user avatar
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0 answers
397 views

Sklean :: NotOneValueFound: Expected one value, found 0 Why is existing working code now broker with Sklearn 1.2.2?

Sklean Problem What is the compiler complaining regarding 'A task has failed to un-serialize'? Entire new models to be defined for OneVsRestClassifier and OneVsOneClassifier. Planning to test my SVC ...
LeadershipAnalyticsManger's user avatar
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2 answers
75 views

Group rows partially [Python] [Pandas]

Good morning everyone. I have the following data: ...
Federica F.'s user avatar
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0 answers
142 views

how to change path of a copied venv to the new directory

How can I change the original path of a venv (created by Pycharm for python 3.9) when I copy that venv to another directory in Windows? I copied a venv created in a Pycharm Python project to another ...
user146344's user avatar
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0 answers
182 views

show data values of scatter plot in Pycharm

How can I make Pycharm to show plotted data point values? I want to show data point values that are plotted using pyplot library. I created a code below that creates annotation objects and implements ...
Matt's user avatar
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226 views

How to make the model fitting to the inverse-square law in Python?

I am studying basics of physics. I would like to learn to make a graphical solution to the following problem: In a class room a lighting meter was used to measure the illuminance E at the distance r. ...
self-studying's user avatar
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1 answer
58 views

Change the shape of numpy array

My numpy array has the shape of (99,2) basically it has 2 columns one is the word and the other is a hot encoding vector size of 300 I want to delete the column of words and want to have only encoding ...
Abdul Basit Niazi's user avatar
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269 views

Input 0 of layer "Conv1" is incompatible with the layer: expected min_ndim=4, found ndim=3. Full shape received: (3, 256, 256)

import sys import SimpleITK as sitk from scipy import ndimage import numpy as np import os import matplotlib.pyplot as plt import tensorflow as tf import ...
user144939's user avatar
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0 answers
41 views

Memory Error when loading a txt file for an ML model

I am trying to run the Python code below: ...
lynx's user avatar
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0 answers
31 views

How does a RL algorithm perceives OHLC data?

I'm creating a custom environment for RL trading. I created a dict action space composed by 1 box and 2 discrete variables. I was thinking about "rendering" the ohlc data in the box, but ...
user9085964's user avatar
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724 views

how to define a multidiscrete action space

I want to define a Multi Discrete action space for Reinforcement Learning, gym style and Stable Baselines compatible (A2C, PPO) with the following structure : ...
user9085964's user avatar
1 vote
1 answer
236 views

How to find correlation between features and labels when features are unordered words?

I have a data set with ~ 85 labels and a target (house price) I wish to explore the correlation between the labels and the effect it has on the target. I have some features that number and others that ...
Noah's user avatar
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0 votes
1 answer
3k views

select rows containing max value basing on another duplicated rows of a group

I want to select rows by the maximum values of another column which would be the duplicated rows containing duplicated maximum values of a group. This should contain three steps: (1) group dataframe ...
Jiao's user avatar
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1 vote
0 answers
46 views

Deep learning through backpropagation: not learning

I am starting with deep learning and decided to code a backpropagation algorithm on Python 3. I have followed many tutorials and have taken as example many programs that work. Yet, for some reason, my ...
Clement Genninasca's user avatar
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0 answers
92 views

identify data type of column from table using NER models

I have structure data with csv or parquet format, I would like to extract the data type of the column by analyzing the data. when I looked at the NER from Hugging phase transformers, it actually ...
Anantha's user avatar
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0 answers
24 views

Good network for binomial classification of continuous and categorical dataset

I have a continuous variable from which I want to predict 1 simple event, to increase my odds, I created more 2 continuous variables that combined make the main variable and a lot of dummy vars. ...
user9085964's user avatar
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0 answers
250 views

How to build stock portfolio using deep reinforcement learning in Python by taking care of indicators for each given stock?

I have this Python code from this tutorial which is trading a stock (e.g. GME but it can be any) by taking care of its indicators ('SMA', 'RSI', 'OBV'). ...
YoYoYo's user avatar
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0 votes
3 answers
473 views

Tweak machine learning algorithm in SciKit to optimize for recall

I am given a dataset to detect fraud. Something similar like this: https://www.kaggle.com/code/imgremlin/4th-place-in-fraud-detection-from-zindi The issue with SciKit machine learning algorithm is ...
Tequil's user avatar
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0 votes
1 answer
307 views

Cumsum starting value not 0 in Pandas

I have the following dataframe df of athletes (indexed by Athlete_ID) and their Rank (indexed by ...
borcherds's user avatar
0 votes
1 answer
429 views

OpenCV isn't processing all the images in a directory

I'm really trying to apply CLAHE to a directory of about 700 images. However, once I manage to get it running, for some reason the code stops before all the images are processed. When I run it on ...
brosefzai's user avatar
1 vote
2 answers
765 views

Average number of records by ID

I have a dataframe with IDs and booking refs, looking like the simplified example below. ID BookingRef 001 2019/32323 002 2011/23232 002 2017/7u4922 In the above example, 001 has one booking and ...
neo2049's user avatar
  • 113
-1 votes
1 answer
137 views

Removing rows with total number of ID occurred not equal to a specific number in Pandas Python [closed]

I have the following data frame in Pandas: ...
Ishigami's user avatar
  • 101
0 votes
1 answer
2k views

How to fine tune n_components parameter in UMAP?

I am using UMAP for clustering. However I can't find any information about methods to fine tune n_components parameter (which is very important). As good as I understand I can't use explained variance ...
Ir8_mind's user avatar
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2 votes
1 answer
608 views

PCA followed by UMAP then go into Random Forest

Is it a valid procedure to apply PCA to your dataset and then apply UMAP clustering on the PCA data, before sending the embedded cluster data to a Random Forest classifier? Summary of process: ...
Joe's user avatar
  • 147
1 vote
1 answer
26 views

How to stop deep learning speech model to not recognize stranger voice?

I am trying to figure it out. But I can't find any solution. My model accuracy is 99% and my testing accuracy is 98% I am using softmax for multiclass classification and adam optimizer to reach its ...
Hiba Tur Rehman's user avatar
0 votes
1 answer
81 views

All Categorical data

I need some feedback on a problem I have been working on. I am working with a fairly balanced dataset with all categorical features, and a categorical outcome (classification problem). The data has no ...
xboxuser's user avatar
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0 answers
39 views

How to Approach Linear Machine-Learning Model When Input Variables are Inconsistent

Disclaimer: I'm relatively new to the data science and ML world -- still trying to get a firm grasp on the fundamentals. I'm trying to overcome a regression challenge involving a large, multi-...
Austin Prater's user avatar
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0 answers
1k views

How solved "ValueError: y should be a 1d array, got an array of shape () instead."?

...
Asma Tolihan's user avatar
0 votes
2 answers
2k views

Create new rows based on a value in a column

My dateset is generated like the example df = {'event':['A','B','C','D'], 'budget':['123','433','1000','1299'], 'duration_days':['6','3','4','2']} I need ...
conradoov's user avatar

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