Festus Morumbasi – Medium

Festus Morumbasi

Festus Morumbasi

Time window queries and aggregates

This is a continuation of my previous post on analyzing time series data. In case you missed it, you can find it here

6 min readJul 30, 2022

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Time window queries and aggregates

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Festus Morumbasi

Analyzing time series data — SQL

Introduction

6 min readJul 26, 2022

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Analyzing time series data — SQL

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Festus Morumbasi

Statistics Basics for Data Analysis

Data-driven decision making and data analysis has all become an important part of the business acumen. As we navigate our world of…

10 min readJul 24, 2022

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Statistics Basics for Data Analysis

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Festus Morumbasi

Pairwise Model

A wide range of real-world prediction problems require modeling a pairwise relation between a potentially large set of objects.

2 min readJun 2, 2022

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Festus Morumbasi

Using Sqlite with Python

Relational databases are the most widely used type of database, storing information as tables containing a number of rows. Python uses a…

2 min readMay 31, 2022

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Festus Morumbasi

Working with dates on SQL — Practice Example 1 (Self Join)

Question: Calculate each user’s average session time. A session is defined as the time difference between a page_load and page_exit. For…

4 min readApr 24, 2022

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Working with dates on SQL — Practice Example 1 (Self Join)

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Festus Morumbasi

Python Algorithms Every Programmer Should Know — Part 1

What is an algorithm?

5 min readApr 22, 2022

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Python Algorithms Every Programmer Should Know — Part 1

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Festus Morumbasi

Installing Hadoop on Ubuntu 20.04

What is Apache Hadoop

8 min readApr 20, 2022

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Installing Hadoop on Ubuntu 20.04

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Festus Morumbasi

Festus Morumbasi

I’m a Data Specialist who is skilled in solving complex problems with a focus on efficiency and performance optimization currently working for Safaricom PLC

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