Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 242

Regression performance varies hugely on shuffling training and testing data

I'm working on a regression problem to predict a variable y based on an input vector X with about 10 columns. To split the data for training and testing, I...

Asked on 01/18/2021 by prame

1 answer

Error when trying Transfer Learning

I'm trying to train a model which is an extension of Google's Inception-V3 for the purpose of recognizing and classifying whether there is any pneumonia using x-ray images. I've used...

Asked on 01/18/2021 by IE Irodov

1 answer

Compare job ads with a given set of categories (which each consists of terms)

For a recent research paper, I plan to perform the following, for which I'd kindly ask for your advice. I obtained a set of a few thousand job ads. I...

Asked on 01/18/2021 by Spooz

1 answer

training gradient boosting algorithm in python testing in Golang

What are the best strategy to train and save a gradient boosting algorithm, e.g. LightGBM or XGboost or Catboost in Python but load the model in GoLang and make prediction...

Asked on 01/18/2021 by user702846

1 answer

Training a Variational Autoencoder (VAE) for Random Number Generation

I have a complicated 20-dimensional multi-modal distribution and consider training a VAE to learn an approximation of it using 2000 samples. But particularly, with the aim to subsequently generate pseudo-random...

Asked on 01/18/2021

1 answer

Clustering without information about identifier

I have a data-set with different products and binary value if it was sold in a store or not. I looks like:product_id store_1 store_2 store_3 store_4 store_5 store_60...

Asked on 01/18/2021 by bazinga

1 answer

How to find the dependent variables from a dataset?

I am stuck at where how can I get the most dependent variables based on the mean I have this dataset and when I try to:df.groupby('left').mean()It gives the output:...

Asked on 01/18/2021 by To Rrent

2 answer

Is each form of word classification also considered to be '(named) entity recognition'?

In an article that I am writing, I focus on word classification. A typical task that involves word classification is (named) entity recognition. Entity recognition is a rather broad task...

Asked on 01/17/2021

1 answer

The Why Behind Sum of Squared Errors in a Linear Regression

I'm just starting to learn about linear regressions and was wondering why it is that we opt to minimize the sum of squared errors. I understand the squaring helps us...

Asked on 01/17/2021 by stk1234

2 answer

Can a neural network recognize a letter B as an A if your trained it so?

You have a neural network. And you have, say, pictures of $100,000$ hand-written letters (A-Z). Now you make a typical Training and the neural network will recognize an A...

Asked on 01/17/2021

1 answer

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