Data Science Core Concepts: Workflow, Models, and Analytics
Data Science Fundamentals and Applications
What is Data Science?
Data Science is a field that uses mathematics, programming, and other techniques to analyze data and discover insights. It helps businesses make better decisions.
Types of Data Science Disciplines
- Data Engineering: Involves designing, building, and managing data infrastructure to help data scientists analyze data.
- Data Analysis: Involves using statistical analysis to answer questions about a business’s data.
- Predictive Analytics: Uses historical
Core Concepts and Theories in Comparative Politics
Comparative Politics: Definition and Scope
Comparative Politics studies and compares domestic political systems across countries. It focuses on power, institutions, and decision-making within states.
The Comparative Method and Challenges
The comparative method identifies causes and effects through comparison and relies mainly on deductive reasoning. Key methodological challenges include:
- Endogeneity: Difficulty distinguishing cause from effect.
- Multicausality: When multiple variables explain one outcome.
Essential Medical Terminology: Clinical Vocabulary and Definitions
A
ABSCESS
A collection of pus.
ACHE
Pain.
AGENCY NURSE
A nurse who works for an agency.
AGGRAVATE
To make worse.
AIRWAY
The trachea or an instrument used for ventilation.
ALLEVIATE
To relieve; to make better.
AMBULANT
Able to walk.
ANESTHETIC
A drug which produces a lack of feeling.
ANGIOGRAM
A type of X-ray procedure.
ANOXAEMIA
A condition characterized by a lack of oxygen in the blood.
ANTENATAL
Before birth.
ANTERIOR
In front of.
ANTIBIOTIC
A drug that destroys bacteria.
ANTIEMETIC
A drug that stops nausea.
ANURIA
A lack
Read MoreDatabase Storage Structures and Index Management Techniques
Database Storage Structures
There are several methods for storing user data in a database, each optimized for different performance and scalability requirements.
Regular Tables
A regular table (generally referred to as a “table”) is the most commonly used form of storing user data.
- The database administrator has very limited control over the distribution of rows in an un-clustered table.
- Rows can be stored in any order depending on the activity on the table.
Partitioned Tables
A partitioned table enables
Read MoreRoman Poets Virgil and Ovid: Biography and Literary Achievements
Virgil: Life and Legacy
Publius Vergilius Maro was born near Mantua. At the age of 25, he moved to Rome where he perfected his studies in rhetoric. He gained the friendship of a patron (likely Maecenas/Augustus) and was admitted to a circle dedicated to poetry. He was devoted to the study of philosophy and the cultivation of poetry. He always kept a reserved profile and was never too comfortable in urban environments. He died after traveling to Greece to view the landscapes that appear in the Aeneid
Read MoreDance History Foundations: Jazz, Hip Hop, and European Ballet Pioneers
Jazz, Tap, and Hip Hop Dance History
Movement Characteristics of Jazz Dance (Myron Howard)
Describe 5 out of 7 movement characteristics of jazz as described by Myron Howard:
-
Gliding, dragging, or shuffling footwork often in low, crouched attitudes.
- Associated with slaves’ barefoot dancing.
- Very similar to “getting down tapping.”
-
A tilting and fluid spine.
This changed the European upright stance and allowed for fluctuation of individual body parts (shoulders, ribs, torso, and pelvis) and a lower,
Metrology and Quality Inspection: Key Concepts and Techniques
Data Structuring, Acquisition, Cleaning, and ETL Cheatsheet
Module 1 Cheatsheet — Foundations, Acquisition, DOM/XPath, Structuring
1) What “Big Data” means:
No single size cutoff. Think:
Volume (lots of rows/large objects), Variety (heterogeneous), Velocity (fast-changing), Veracity (quality).Implication: choose tools/storage/pipelines that match data scale and shape.
2) Three canonical encodings:
Tables / Relations / DataFrames
Heterogeneous columns; ideal for SQL/Pandas joins, filters, aggregations.
Arrays / Matrices / Tensors
Uniform numeric cells;
Read MoreCritical Perspectives on Black Diaspora Identity and Struggle
I. Maafa: The Scope of the Transatlantic Slave Trade
Gomez, Exchanging Our Country Marks, Chapter 1: “Time and Space”
Summary: Gomez explores how African identities were preserved, adapted, or transformed in the Americas. He challenges the idea that Africans lost their cultural roots during enslavement and instead argues that memory, kinship, and religion helped sustain African identities.
Key Concepts:
- Maafa: A Kiswahili term meaning “great disaster,” used to describe the transatlantic slave trade
Philosophical Reflections on Power, Happiness, and Society
Philosophical Reflections on Personal Motivation
Hobbes, Power, and the Pursuit of Happiness
Since I was a kid, my parents didn’t pay much attention to how I was doing things in general; they were more focused on my older brother. While studying in school, I understood that happiness was all I was looking for, and all my actions caused and helped decide my purposes in life. Aristotle discusses the importance of virtue and happiness through daily life, but also conducting yourself in a way that accustoms
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