# All Questions

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27 views

### How to handle missing data in a logistic regression?

I am building a model to solve a binary classification task. So far, the input is low dimensional (10 dimensions at most). I need to face the occurrences of missing input. It is my first time at ...
42 views

### Wikipedia corpus for NLP - Cleaned sentences

I can see many wikipedia dumps out there. I am looking for a wikipedia-made corpus, in which every line is one sentence, without any wikipedia meta tags.
22 views

### Neural Network for classifying input data to maximize accuracy

Recently I've been working on some deep neural networks for binary classification, and in developing the appropriate features, I found the necessity to classify the input data. For example, if the ...
892 views

### What is the best way to implement skip connections in a Dense Network in Keras?

I want to use skip connection in a Dense model and I chose the following implementation of the idea: That is I use a Dense layer with linear activation to map the input into a dimension that will ...
72 views

### Latent Dirichlet Allocation in R, topicmodels using VEM algorithm or Gibbs Sampling mixing tm and topicmodels library or WarpLDA from text2vec?

If I am trying to classify 230k text abstracts, which option would be better and more precise when aplying LDA?
19 views

### How to find the feature/(data column) that separates each cluster of K-means?

I have a general question on applying k-means clustering on the datasets.. How to find the feature/(data column) that separates each cluster of K-means? may be using scikit-learn in python .. Best ...
74 views

30 views

### Are application assignments in Datascience common practice?

this might seem off topic, but I hope this question will be tolerated. I was recently asked to help a friend with an assignment in the process of applying for a new job as data scientist. And ...
20 views

### Machine Learning alternative for hashing

Is there a Machine Learning technique that can used to detect the slightest change in data? I know this can be done using a hash but I was just wondering if there is any machine learning technique out ...
31 views

### K fold In python

I have problem when using fold with python only one index of one fold shown in y_test ? my data contain 4240 records and only 424 shown in y_test and ...
20 views

### Create labels or annotation from two color images

I have two categories of images to use in my deep learning model. The firs category is aerial images that contain roads (such as road-1.jpg). The second category is two color images that contains road ...
29 views

### Why do the training curve fall sharp suddenly?

I am training a CNN classifier on a binary balanced dataset. The dataset has 4500 numbers of tweet data along with the class of the tweet. During training, I am applying, GLOVE embedding of 300 ...
40 views

### Overfit model after introduce dropout=0.5

I am facing a problem where my validation loss stagnates after 20 epochs. The training loss keep reducing which makes my model overfit. I have tried dropout with a value of 0.5 but there is no change ...
41 views

### CNN model overfitting to a Color, not learning edges

I've been working on this binary classifier which predicts if a certain type of battery is in the live webcam feed or not. The problem I am facing is that my CNN model predicts any 'orange object' in ...
94 views

### Can I update my model using partial_fit after training my model using fit?

I have trained my model using MLPClassifier using fit method and saving in pickle object for the first time. ...
52 views

### LSTM architecture for multivariate time series

For a multivariate time series analysis, which of the following LSTM architectures would work better and why? 1) Having two independent LSTM layers (one for the time series variable and one for the ...
30 views

### Should I load my model pkl object every time when I predict?

I am predicting the data in real time , when I hit the url it should predict but I should not load my model again and again . Can someone help to optimize the code ? Can I load globally or how can I ...