Use R to analyse the Air Passengers datasetI have been reluctant to use the R programming language to any great extent because Microsoft Store does not have a free R compiler that I…21h ago21h ago
Use Catboost to predict on the probability of loan repaymentIts that time of the month again, kaggle competition time. In this month’s Kaggle competition, the learner is asked to predict on the…Nov 2Nov 2
Why do data scientists use the t distribution when population variance is unknown?I have been studying statistics for a few years now and one thing that I learned early on is that the t distribution and z distribution…Oct 28A response icon1Oct 28A response icon1
Why I use Word as a text editor for my Excel VBA codeIn the last six months I have learned to code in Excel VBA because I had a number of tasks that I needed to automate. The reason for this…Oct 15Oct 15
Use catboost regressor to predict on the probability of a road accidentWhen I enter Kaggle’s monthly playground competitions I normally use models from Python’s machine learning library, sklearn. When I had a…Oct 8Oct 8
Use Excel VBA to perform A/B testing for conversionA/B testing, also known as split testing, is a statistical method used to compare two versions of a variable to determine which one…Oct 6Oct 6
Statistics Interview Question: What is the distribution of the sample mean?I have been studying statistics for a few years now and it has come to my awareness that some themes stay the same even though the exact…Sep 30A response icon1Sep 30A response icon1
Create your own train schedule dataset using Excel VBAI have been studying statistics lately and have needed a few datasets for the projects that I have been working on. Because it is difficult…Sep 25Sep 25
What is the difference between the critical z-value, z-score, and z-test statistic?Because an individual needs to have a firm foundation in statistics in order to become a good data scientist. Because I never studied…Sep 14Sep 14
The Fall of Wood: A SequelIn February I wrote the piece, The Fall of Foster Wheeler: A Tale of Engineering and Ambition, and that post can be read here…Sep 6Sep 6
