Data Science Tutorials

Find out how to access your dataframe's data with subsetting. Learn how to subset by using brackets or by using R's subset() function.

A list is a compound data type where you can group values together. A Python list is a convenient way of storing information altogether rather than individually.

Learn to convert spreadsheet table column into lowercase using .str.lower().

Learn how to use the .append() and .extend() methods to add elements to a list.

Learn about Object-Oriented Programming (OOP) along with R's objects, different classes like S3 and S4, along with its construction, creating its generic function with examples and many more.

Learn how to effectively use list comprehension in Python to create lists, to replace (nested) for loops and the map(), filter() and reduce() functions, ...!

Learn in detail about the ifelse() function, including syntax, along with finding whether a number is odd or even, and finally, with an example to see whether a student passed or failed their exam.

Learn about the factor function in R, along with an example, and it's structure, order levels, renaming of the levels, and finally, with the ordering of categorical values.

Learn how to read and import Excel files in Python, write data to these spreadsheets, and find the best packages to do this.

Learn all about R's matrix, naming rows and columns, accessing elements also with computation like addition, subtraction, multiplication, and division.

Learn about data reshaping in R, different functions like rbind(), cbind(), along with Melt(), Dcast(), and finally about the transpose function.

Kevin Systrom published a really interesting article on estimating $R_t$, the measure known as effective reproduction number. We will use the same approach outlined by Kevin in his article to estimate COVID-19's Rt in real-time.