Data Analytics Fundamentals Flashcards

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/15

flashcard set

Earn XP

Description and Tags

Flashcards covering key vocabulary and concepts in data analytics fundamentals.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

16 Terms

1
New cards

Data

A collection of facts.

2
New cards

Quantitative Data

Data that is discrete (counted) or continuous (measured).

3
New cards

Qualitative Data

Data that is descriptive, such as names or colors.

4
New cards

Triple Bottom Line (TBL)

A framework with a focus on people, planet, and profit.

5
New cards

Raw Data

Unprocessed data such as Airbnb host IDs, neighborhood data, or review data.

6
New cards

Data Preprocessing

Process data through integration, transformation, and loading.

7
New cards

Label Encoding

Encoding categorical classes with numbers, but be cautious if there is no order relationship.

8
New cards

One-Hot Encoding

Recommended for classes with no clear ranking.

9
New cards

Scaling & Normalizing

Adjusting data to a specific range to improve the shape of distribution (e.g., min-max scaling).

10
New cards

K-means

Works with edge sets; sum of the squared distance between points and centroid.

11
New cards

Regularization

A technique to prevent overfitting.

12
New cards

K-fold Cross Validation

A process to split data into K equal folds, use K-1 for training, and 1 for testing; repeat K times.

13
New cards

Descriptive Analysis

Includes total units, distributions, and price statistics.

14
New cards

Diagnostic Analysis

Involves removing outliers.

15
New cards

Predictive Analysis

Using regression or classification to make predictions.

16
New cards

Recommendation Systems

Based on item matrix and user matrix to find preference of users with similar taste.