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Data Science : Recent Questions and Answers (Page 27)

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

Needed: Java library to calculate text readability/complexity

In principle the same as this but for Java (and ideally for multiple languages) (e.g. flesch reading ease, smog index, flesch kincaid grade, coleman liau index, automated...

Asked on 09/25/2021 by lordy

1 answer

How to interpret Correlation along with Coefficients of multiple linear regression ?£

I have 10000 samples. There are 4 independent variables and 1 dependent variable. The independent variables are all centered with 0 mean. ...

Asked on 09/25/2021 by Selvam

2 answer

Logic behind the Statement on Non-Parametric models

I am currently reading 'Mastering Machine Learning with scikit-learn', 2E, by Packt. In Lazy Learning and Non-Parametric models topic in Chapter 3- Classification and Regression with k-Nearest Neighbors, there is...

Asked on 09/25/2021 by jayant98

1 answer

Getting unexpected keyword error in CatBoostRegressor while using GridSearchCV

I am trying to use GridSearchCV on a CatBoostRegressor algorithm, but get some "unexpected keyword" errors on 3 different params (classes_count, auto_class_weights, and bayesian_matrix_reg) when using these params in the...

Asked on 09/25/2021 by Donald S

0 answer

Low memory error while performing degree 2 polynomial regression on (3000*1835) sized array

I am working on a problem to predict the revenue, a film will generate. Some of the features available in the data set are json collection for the crew, cast...

Asked on 09/25/2021 by V K

1 answer

Basis expansion for regression using neural network?

I am trying to approximate a nonlinear function using a neural network. There are 3-4 input units. The network is struggling a bit to generalize the function outside the vicinity...

Asked on 09/25/2021 by Adarsh Gupta

1 answer

Finding point of interest in time series data

I am working on a project where I need to figure out the point of interest in time series data. From...

Asked on 09/06/2021 by GhzNcl

2 answer

bias variance decomposition for classification problem

It is given that: MSE = bias$^2$ + variance I can see the mathematical relationship between MSE, bias, and variance. However, how do we understand the mathematical intuition of...

Asked on 09/06/2021 by IamTheRealFord

2 answer

Neural Network Sensordata as Input

I have a dataset consisting of sensor recordings about human movement. There are 22 classes of different movement like sitting or walking and 19 sensor values. Each recording of a...

Asked on 09/05/2021 by Marcel Franzen

1 answer

Why Davies-Bould chose a number ob cluster higher than Silhouette or Calinsky Harabasz?

I am doing use several metrics in order to know what number of clusters is correct in order to do this I selected 3 clustering algorithms and 3 internal evaluation...

Asked on 09/05/2021

1 answer

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