Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 249

Is it a best practice to exclude retweets from the data set?

I am going to build machine learning algorithm to identify fake tweets. The data set has huge retweets which I think might be an issue. Do you think given that...

Asked on 01/11/2021 by user84037

3 answer

Replacing mean by median over batch-size to lessen the impact of outliers

In the case of training a Neural Network on a regression task. Assuming the data has a significant amount of outliers. Provided that the error needs to be RMS and...

Asked on 01/11/2021

1 answer

Why is predict_generator is returning an empty array?

I am trying to print the predicted labels of my test data but the predict_generator() function is returning an empty array. My Model: from keras.preprocessing.image import ImageDataGeneratorfrom keras.models import...

Asked on 01/11/2021

1 answer

Best way to narrow down a list and rank based on attributes?

I have a mortgage/credit data set that contains a list of customers (600k rows) and has a 100 columns inclusive of the customer's general info (address, city, zipcode, etc), income,...

Asked on 01/11/2021 by stardust123

1 answer

Domain scoring based on ranking

I am a computer science student working on a small information retrieval project. I have a dictionary with a domain as a key and it's ranking as value. Based on...

Asked on 01/11/2021

1 answer

Append and replacing data in r

I am writing a few lines of codes to create a data table full of NAs but don't know how to append the data of results into the data table...

Asked on 01/11/2021 by Xingqi Fei

1 answer

How to handle categorical features in K-means?

I am working on clustering algorithms. I am working with titanic dataset. It contains 6 categorical features. I used k-means algorithm on this dataset. I am using label encoding for...

Asked on 01/11/2021 by Sathya

3 answer

Object detection stops predicting well according to how I collect the images

On my problem I have to use 4k resolution (3840x2160) to record images and detect qrcodes at the same time. The images I end resizing it to 1920x1080 to save...

Asked on 01/11/2021 by denisb411

1 answer

Predictive model to maximize sum of dependent variable?

I am trying to classify cars for a towing company. Junky cars earn more when sent to the junkyard, and the more valuable cars should earn more at...

Asked on 01/11/2021 by Lamden

1 answer

Customer Segmentation - Can I use an ML model for this problem?

I have a seller segmentation problem where I need to segment the top and bottom N customers based on three variables: sales, Average selling price and product category. However, the...

Asked on 01/11/2021 by Meena Nagarajan

0 answer

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