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## Data Science: Collection

Data Science: Collection – The first step in the data lifecycle is data collection. We collect data about our world in a two-step process: First,… Read More »Data Science: Collection

## Data Science: Queries

Data Science: Queries – How do we extract information from tabular data? The answer, is a query! A query is computer representation of a question… Read More »Data Science: Queries

## Data Science: Relationships

Data Science: Relationships – Everything is related in some way, shape, or form. So how do we represent relationships in data science? In data science,… Read More »Data Science: Relationships

## Data Science: Variables

Data Science: Variables – The world is in a constant state of change; things vary from one observation to the next. But how do we… Read More »Data Science: Variables

## Data Science: Tabular Data

Data Science: Tabular Data – Tabular data are the most common form of structured data that we use for analysis in data science. But what… Read More »Data Science: Tabular Data

## Data Science: Composite Examples

Data Science: Composite Examples – In data science, we have several common composite data types. We’re going to learn about the ones that you’re most… Read More »Data Science: Composite Examples

## Data Science: Scalar Examples

Data Science: Scalar Examples – In data science, we have several common scalar data types. We’re going to learn about the ones that you’re most… Read More »Data Science: Scalar Examples

## Data Science: Interval Data

Data Science: Interval Data – The first type of numerical data that we encounter in data science are interval data. Interval data are a type… Read More »Data Science: Interval Data

## Data Science: Process

Data Science: Process – Let’s take a look at a simple example of intelligent data-driven decision making in action. Imagine that we’re an investor. We’re… Read More »Data Science: Process

## Data Science: Data Types

Data Science: Data Types – How do we represent data in a computer? All data inside of modern computers are stored as a series of… Read More »Data Science: Data Types