Archives for probability

04 Nov

Small Vs Random Samples: Understanding Underlying Probability

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image-8090

Suppose you are asked to prove how useful a feature could be. Let's say you have to estimate the number of users on your platform that would benefit from a certain feature or change on your product. You pick a “random uniform sample” of 1% of the users. They are now exposed to the feature.…

The post Small Vs Random Samples: Understanding Underlying Probability appeared first on Analytics India Magazine.

28 Sep

A Data Science Question In The Times Of Akbar and Birbal

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image-7346

A lot of us, particularly those who grew up in India, may have heard the Akbar — Birbal story, where the great Mughal emperor Akbar poses a seemingly impossible question to answer — “How many crows are there in our kingdom?”. Birbal, the witty and intelligent minister of Emperor Akbar, retorts with a random number…

The post A Data Science Question In The Times Of Akbar and Birbal appeared first on Analytics India Magazine.

04 Oct

4 Most Important Significance Tests You Need To Know In Statistics And Data Science

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image-363

In statistics, one always tries to verify the results. One of the most well-known ways of doing this by using statistical significance testing methods. It is a truth universally acknowledged that the result has statistical significance only if it does not occur given the null hypothesis. To put it more formally, α is the probability…

The post 4 Most Important Significance Tests You Need To Know In Statistics And Data Science appeared first on Analytics India Magazine.

04 Oct

4 Most Important Significance Tests You Need To Know In Statistics And Data Science

image-364
image-364

In statistics, one always tries to verify the results. One of the most well-known ways of doing this by using statistical significance testing methods. It is a truth universally acknowledged that the result has statistical significance only if it does not occur given the null hypothesis. To put it more formally, α is the probability…

The post 4 Most Important Significance Tests You Need To Know In Statistics And Data Science appeared first on Analytics India Magazine.

18 Sep

The Never Ending Fascination Of The Gaussian Distribution

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image-224

Probability distributions are important in machine learning and data analysis. Not only data scientists but also also researchers and scientists from many other fields deal with probability distributions on a day to day basis. To put it simply, probability distribution is a simply a function which informs us of the likelihood of obtaining the possible […]

The post The Never Ending Fascination Of The Gaussian Distribution appeared first on Analytics India Magazine.