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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 26 views

How will you define the number of clusters in a clustering algorithm?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 33 views

How would you develop a model to identify plagiarism?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 31 views

Is Naïve Bayes bad? If yes, under what aspects.

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 46 views

How can you overcome Overfitting?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 169 views

How will you explain logistic regression to an economist, physican scientist and biologist?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 39 views

How are confidence intervals constructed and how will you interpret them?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 38 views

What is the difference between squared error and absolute error?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 44 views

How do you decide whether your linear regression model fits the data?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 33 views

What is the curse of dimensionality?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 95 views

What is multicollinearity and how you can overcome it?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 158 views

What is Regularization and what kind of problems does regularization solve?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 23 views

What is the difference between Bayesian Estimate and Maximum Likelihood Estimation (MLE)?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 31 views

Write a function that takes in two sorted lists and outputs a sorted list that is their union.

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 27 views

Can you use machine learning for time series analysis?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 30 views

How can you iterate over a list and also retrieve element indices at the same time?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 199 views

Why is vectorization considered a powerful method for optimizing numerical code?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 26 views

Explain the use of Combinatorics in data science.

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 35 views

How you can make data normal using Box-Cox transformation?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 325 views

A test has a true positive rate of 100% and false positive rate of 5%.

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 40 views

What are categorical variables?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 60 views

Do gradient descent methods always converge to same point?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 43 views

What does P-value signify about the statistical data?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 26 views

Are expected value and mean value different?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 60 views

What is K-means? How can you select K for K-means?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 41 views

What is power analysis?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 43 views

What is Interpolation and Extrapolation?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 64 views

Why data cleaning plays a vital role in analysis?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 214 views

Which technique is used to predict categorical responses?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 36 views

What is a Boltzmann Machine?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 42 views

What is an Auto-Encoder?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 41 views

What is the role of Activation Function?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 33 views

What are the different Deep Learning Frameworks?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 24 views

What are the variants of Back Propagation?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 25 views

What is Back Propagation and Explain it’s Working.

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 24 views

Explain Gradient Descent.

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 61 views

Describe the structure of Artificial Neural Networks?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 30 views

What are Artificial Neural Networks?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 45 views

What do you mean by Deep Learning and Why has it become popular now?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 66 views

What is the probability that the next toss of that coin is also a head?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 73 views

A certain couple tells you that they have two children, at least one of which is a girl. What is the probability that they have two girls?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 50 views

How can you generate a random number between 1 – 7 with only a die?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 509 views

In any 15-minute interval, there is a 20% probability that you will see at least one shooting star. What is the probability that you see at least one shooting star in the period of an hour?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 32 views

How will you define the number of clusters in a clustering algorithm?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 47 views

During analysis, how do you treat missing values?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 34 views

What are the various steps involved in an analytics project?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 53 views

How can outlier values be treated?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 27 views

What is Collaborative filtering?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 28 views

What is Linear Regression?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 29 views

What are Recommender Systems?

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asked Mar 11, 2019 in Data Science by Edzai Zvobwo Bronze Status (7,918 points) | 67 views

What is logistic regression? State an example when you have used logistic regression recently.

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