Data Analytics

Data Analytics

Unlock the full potential of Data Analytics with our in-depth tutorials! We provide comprehensive guides to create powerful dashboards and data visualizations. From mastering analytics fundamentals to advanced reporting techniques, our tutorials cover it all.

76 posts
Seaborn - Load Sample Datasets

Seaborn - Load Sample Datasets

Introduction In this tutorial, we want to import sample datasets that are provided by Seaborn. In order to do this, we use the load_dataset() function of Seaborn. Import Libraries First, we import the Seaborn module: import seaborn as sns Overview of Seaborn Datasets Let's get an overview...

Seaborn - Boxplots

Seaborn - Boxplots

Introduction In this tutorial, we want to create a Boxplot. In order to do this, we use the boxplot() function of Seaborn. Import Libraries First, we import the following python modules: import matplotlib.pyplot as plt import seaborn as sns import numpy as np import pandas as pd Define Data...

Seaborn - Heatmaps

Seaborn - Heatmaps

Introduction In this tutorial, we want to create a Heatmap. In order to do this, we use the heatmap() function of Seaborn. Import Libraries First, we import the following python modules: import matplotlib.pyplot as plt import seaborn as sns import numpy as np Define Data Let's define...

PostgreSQL - SUM

PostgreSQL - SUM

Introduction In this tutorial, we want to calculcate the sum of values of a specific column. In order to do this, we use the SUM function. We have already created the table student with the following data: Example 1 We want to calculcate the sum of credit points of all...

PostgreSQL - COUNT DISTINCT

PostgreSQL - COUNT DISTINCT

Introduction In this tutorial, we want to count the number of unique values of a specific column. In order to do this, we use the COUNT function with the DISTINCT keyword. We have already created the table student with the following data: Example 1 We want to count the number...

PostgreSQL - COUNT

PostgreSQL - COUNT

Introduction In this tutorial, we want to count the number of values of a specific column. In order to do this, we use the COUNT function. We have already created the table student with the following data: Example 1 We want to count the total number of students. In order...

PostgreSQL - SELECT WHERE

PostgreSQL - SELECT WHERE

Introduction In this tutorial, we want to select data from a table that satisfy a certain condition. In order to do this, we use the SELECT Statement with the WHERE Clause. We have already created the table student with the following data: Example 1 We want to select all columns...

PostgreSQL - ORDER BY

PostgreSQL - ORDER BY

Introduction In this tutorial, we want to select data from a table and sort the result set. In order to do this, we use the SELECT Statement with the ORDER BY Clause. We have already created the table student with the following data: Example 1 - Sort rows in ascending...

PostgreSQL - LIMIT

PostgreSQL - LIMIT

Introduction In this tutorial, we want to select a specific number of rows from a table by using a SQL Statement. In order to do this, we use the SELECT Statement with the LIMIT Clause. We have already created the table student with the following data: SQL Statement We want...

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