None in Python refers to a situation where no value has been assigned to a variable. None in Python doesn’t necessarily mean empty. Python does not use null. Instead, there is a None data type used to represent a variable…
One possible approach to flatten a nested dictionary is to compress its keys. A nested dictionary can contain several other nested dictionaries inside it. Although a nested dictionary helps us store hierarchical data efficiently, we cannot interpret and understand the…
To filter a list of dictionaries, we need to have a condition that needs to be satisfied by the keys of the dictionary to create a new filtered dictionary. A dictionary is the most popularly used data storage structure of…
The Groupby function of the Pandas library is used to categorize the data based on a certain condition. The Pandas data frame can be split based on criteria with the help of the groupby function. It is similar to the…
ORC stands for Optimized Row Columnar storage format was introduced to store the Hive workloads efficiently. As the name suggests, the ORC format stores the data in the form of columns which enables us to perform parallel processing of data…
Legend in terms of a graph or any plot provides the description of the elements inside the plot. These elements can be the entities plotted on the graph, their scales, their colors, and so on. A legend is usually a…
A Data Frame Index is a column in the data frame that represents the data frame as a whole. It can be specified while creating the data frame or we can even set the index after analyzing it. While we…
A Binary String is used to store data in the form of bytes. A byte is a unit in computer programming that is made up of 8 bits. The byte is used to store many data formats such as audio…
Stata is a powerful statistical software package used for data science-related tasks. Stata is a complete, integrated software package that is a one-stop solution for all your data science needs—data manipulation, visualization, statistics, and automated reporting. It is a combination of…
A warning is typically used to alert someone of a situation that they might encounter, which doesn’t need to be true all the time. In the same way, warnings in Python are used to alert the programmers of a situation…