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Home/Machine Learning

Category: Machine Learning

This category takes up questions on Machine Learning

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Avilash Ghosh
Avilash Ghosh

Avilash Ghosh

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Avilash GhoshUser
Asked: November 4, 2021In: Linear Regression

Join our inaugural Challenge Your Data Science Knowledge

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and win INR 5000 in 30mins! Register now! Register link: Read more

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Ketaki Bhide
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Asked: July 8, 2021In: Linear Regression

Dropping of variables which are not significant and are having high VIF value

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For more accuracy while fitting a linear model, we drop the input variables/features which are not significant(i.e pvalue>0.05) and whose variation inflation factor is  greater  than 5,I have landed up in a case where both input variables are highly correlated ...Read more

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NehaSequeira
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Asked: June 17, 2021In: Linear Regression

Scaling for numeric variables

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Why is scaling for numeric variables done before splitting it into a train & test dataset?

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NehaSequeira
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Asked: June 16, 2021In: Linear Regression

Intercept in linear regression model

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Why do we need an intercept in a linear regression model? If we use statsmodel.OLS do we need to add the intercept explicitly and how do we do it?

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Ketaki Bhide
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Ketaki BhideUser
Asked: June 15, 2021In: Linear Regression

Linear regression with multiple variables

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I was working on Dataset of Insurance in Python it had both categorical and numeric variables. For fitting a linear regression model I did the conversion of categorical to dummy variable, did scaling of whole data frame afterwards, after splitting ...Read more

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Rudrava Mukherjee
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Asked: February 20, 2021In: Logistic Regression

Constant in Logistic Regression

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Why do we need to add a constants column with the independent variables while doing logistic regression?

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Aditya Sharma
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Asked: January 27, 2021In: Linear Regression

P-Value in Linear Regression

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In Linear Regression, if the p-value of the f-stat is < 0.05 we reject the H0 and accept the Ha. Which means we know that at least one variable has a coefficient greater than zero. For individual variables, we consider ...Read more

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Bikash Ghosh
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Asked: January 26, 2021In: Linear Regression

Model Overfitting or Underfitting

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How do I know if my model is Overfitting or Underfitting?

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Adwait N. Pradhan
Adwait N. Pradhan

Adwait N. Pradhan

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Asked: January 22, 2021In: Linear Regression

Model Export

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Is it possible export or save a model so that whenever i want i can run the model if so how should i do it?

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    Intercept in linear regression model

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    Multiple Linear Regression

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    Are there any coding standards in Python?

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    Model Overfitting or Underfitting

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  • Dipayan Sarkar
    Dipayan Sarkar added an answer One of the assumptions of Linear Regression - No multicollinearity.… July 14, 2021 at 4:46 am
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    mahima_vaidya added an answer 'OLS' object has no attribute 'pvalues' This is the error… July 6, 2021 at 7:24 am
  • Dipayan Sarkar
    Dipayan Sarkar added an answer The statsmodels.regression.linear_model.OLSResults.pvalues should give you the pvalues of the respective… July 5, 2021 at 6:10 pm
  • shreemann
    shreemann added an answer If we remove the intercept then that would make the… June 23, 2021 at 4:53 am
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    Suchita added an answer When we scale the date prior to train-test split,  we… June 18, 2021 at 11:35 am
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