Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 69

Spacy tokenizer that strips HTML/XML keeping the positions

I'm new to Spacy and infact new to Data Science. I would like to process some XML files for NER and then mark that in the original XML. I would...

Asked on 07/26/2021

1 answer

Should I train the "Unknown" class separately from the other classes

I have a CNN model that classifies 10 classes of audio spectrograms. However, since I work with the open set of data, I need to classify the unknown audio data...

Asked on 07/25/2021

2 answer

Best approach for univariate time series predictions?

I have a univariate time series. where I'm trying to predict a current value of a variable based on the previous 10 values of the same variable. I tried three...

Asked on 07/25/2021

0 answer

Solution for TF-IDF Vectorization in Angular project?

While making an Angular project to use my text-classification model on unseen data, i struggle in finding a way how to transform text to TFIDF features. Anyone faced same...

Asked on 07/25/2021 by martinna

1 answer

squared error vs absolute error in boosting trees for regression

From the Element of Statistical Machine learning book, it says:Using loss criteria such as the absolute error or the Huber loss (10.23) inplace of squared-error loss for regression, and...

Asked on 07/25/2021 by Cheng Qian

0 answer

Tool to Generate 2D Data via Mouse Clicking

Often when I am learning new machine learning methods or experimenting with a data analysis algorithm I need to generate a series of 2D points. Teachers also do this often...

Asked on 07/25/2021 by MD004

3 answer

How to use SMOTE to rebalance multiclass dataset when the target is one hot encoded with pd.get_dummies?

I'm using a multiclass dataset (cic-ids-2017), which is very imbalanced. I have already encoded the categorical feature (which is the target) using OneHotEncoder.I tried to use SMOTE oversampling method...

Asked on 07/25/2021

0 answer

How to include labels in sns heatmap

I got this matrix 120 100 80 40 ...

Asked on 07/25/2021 by Srihari

1 answer

Rules by which RStudio sets Headings

RStudio automatically recognizes headers in an R script that are set via comments:I would like to exploit that feature, but I don't...

Asked on 07/24/2021

4 answer

How to combine and separate test and train data for data cleaning?

I am working on an ML model in which I have been provided the data in 2 files test.csv and train.csv. I want to perform data cleaning on both files...

Asked on 07/24/2021

3 answer

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