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Data Science : Recent Questions and Answers (Page 280)

Find answers to your questions about Data Science or help others by answering their Data Science questions.

How to build a classification pipeline that will pass to another model?

Not sure if the title explained it, but I am trying to build a pipeline where it's like a decision tree, but also not. Say for example, I had a...

Asked on 12/16/2020 by Samay Lakhani

0 answer

Data storage for Intrusion Detection System

I write an IDS(in C) for a KNX network for my thesis. For this, I just store all the telegrams within an SQLite database.But I'm not sure if a...

Asked on 12/16/2020 by user2071938

0 answer

What is the exact definition of VC dimension?

I'm studying machine learning from Andrew Ng Stanford lectures and just came across the theory of VC dimensions. According to the lectures and what I understood, the definition of VC...

Asked on 12/16/2020 by Kaushal28

2 answer

How to use fresh data when target prediction period is long?

I'm using supervised learning on monthly activity data to predict when a customer buys a particular product. This product is typically bought infrequently and at the moment my target variable...

Asked on 12/16/2020 by Haffi112

2 answer

Confusion in applying k-fold cross validation to dataset

I have a data set which is already divided into 10 folds with each fold having training,validation and test sets. I'm not able to understand how to apply 10 fold...

Asked on 12/16/2020 by Mr. NLP

1 answer

How would you describe cluster 2 from this output of a run of the EM program?

My description: Cluster 2 consists of 9511 instances, the age is around 42 (ranges between 29.7207 and 54.5257). Considering Age, Cluster...

Asked on 12/16/2020 by Shroomy

1 answer

Demand Forecasting - Error in predictions

I've been trying to do daily demand forecasting using the H2O AutoML package for using 4 years of daily sales data as the training set. However, the daily estimates always...

Asked on 12/16/2020 by Gopik Anand

0 answer

How does attention mechanism learn?

I know how to build an attention in neural networks. But I don’t understand how attention layers learn the weights that pay attention to some specific embedding. I have this...

Asked on 12/16/2020 by user2790103

3 answer

Does standardization result in normal distribution?

I have a question about standardization (subtract mean, divide by standard deviation) of data consisting of different features with different ranges. I read some information that seemed to be contradictory.Standardizationdoes...

Asked on 12/15/2020 by scarlett rouge

1 answer

Representing geospatial information

I am trying to train a model to predict the location of a storm at a given time. The dataset includes the longitude and latitude of the storm at the...

Asked on 12/15/2020 by exi_le

1 answer

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