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Data Science : Recent Questions and Answers (Page 120)

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

How to interpret the confusion matrix and compare the result of features extraction with LBP and Haralick

I'm begginer in deep learning so I tried to execute a code of liveness face detection from github in this link :https://github.com/imironica/liveness , so when I tried...

Asked on 05/28/2021 by Abdelmalek Mallek

0 answer

How to extract trees in XGBoost?

I want to extract each tree so that I can feed it with any data, and see the output.dump_list=xg_clas.get_booster().get_dump()num_t=len(dump_list)print("Number of Trees=",num_t)I can find number of trees like this,xgb.plot_tree(xg_clas,...

Asked on 05/28/2021 by J.Smith

1 answer

What are some good methods to forecast future revenue on categorical and value based data?

I have monthly snapshots (3 years) of all the contract data. It includes following information:Contract status [Categorical]: Proposed, tracked, submitted, won, lost, etcContract stages [Categorical]: Prospecting, engaged, tracking, submitted, etc.Duration...

Asked on 05/28/2021 by RWS

2 answer

Metric for label imbalance

I'm looking for a metric that can be used to quantify how imbalanced the labels are in a dataset. I'm not looking for a strategy to solve the imbalance problem,...

Asked on 05/28/2021

3 answer

Why does it has a constant val_loss:?

I am working on somr dataset and am implementing a deep neural network. There are some typos that I am...

Asked on 05/28/2021 by DarvinismExplained

2 answer

Multi-label classification based on single-label dataset

I'm looking for a solution to detect different moods/styles expressed by an image. Unfortunately, there is no multi-labeled dataset for this task. The scenario of defining a multi-label classification...

Asked on 05/28/2021 by Neongelb

3 answer

Data Augmentation for Regression ANN with low Sample Size

There is a Dataset of 65 tuples.I want to Augment new Data from this set and validate my ANN on the original Data.Is there a possibility, that my...

Asked on 05/27/2021

1 answer

Multiclass ROC Curve using DecisionTreeClassifier

I built a DecisionTreeClassifier with custom parameters to try to understand what happens modifying them and how the final model classifies the instances of the iris dataset. Now My task...

Asked on 05/27/2021

1 answer

How to find the best fitting parametric distribution for an empirical dataset (stock returns)?

Given some real-valued empirical data (time series), I could convert it to a histogram to have an (non-parametric) empirical distribution of the data, but histograms are blocky and jagged. Instead,...

Asked on 05/27/2021

1 answer

How do I deploy a model when using Stratified K fold?

I have used Stratified K fold for learning the model . Below is the python code:>def stratified_cv_v1(X, y, clf, shuffle=True, n=10,):> stratified_k_fold = StratifiedKFold(n_splits=n,shuffle=shuffle)> ...

Asked on 05/27/2021 by Saket123

1 answer

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