- Study guides, Class notes & Summaries

D204 Questions With 100% Correct Answers

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29 pages

Written in 2022/2023

Grade A+

LECTUREHELLEN

D204 Questions With 100% Correct Answers

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29 pages

Written in 2022/2023

Grade A+

BESTMARKS

The Data Analytics Journey D204 With Verified Answers

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56 pages

Written in 2022/2023

Grade A+

BESTMARKS

D204: The Data Analytics Journey(SOLVED)

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82 pages

Written in 2022/2023

Grade A+

BESTMARKS

D204: The Data Analytics Journey(SOLVED)

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82 pages

Written in 2022/2023

Grade A+

Toian

The Data Analytics Journey D204 With Verified Answers

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56 pages

Written in 2022/2023

Grade A+

Toian

D204 Questions With 100% Correct Answers

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29 pages

Written in 2022/2023

Grade A+

Toian

D204 Questions With 100% Correct Answers

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29 pages

Written in 2022/2023

Grade A+

LECTAYOT

Which of these is NOT a topic of interest for Discovery/Planning/Business Understanding? A. Project Scope B. Identify stakeholders and research questions/KPIs C. Build a data pipeline (ETL) D. Identify timeline, budget, and participants - ANSWER C What is a potential problem to consider in the planning phase? A. Lack of clear focus on stakeholders, timeline, limitations, and budget B. Quality and type of data may make access more difficult C. Some cleaning techniques could dramatically...

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9 pages

Written in 2022/2023

Grade A+

ACADEMICWISEGIANT

dentifying business needs - ANSWER Which activity does an analyst perform in the discovery phase of the data analytics life cycle? a. Collecting Data b. Cleaning Data c. Identifying outliers d. Identifying business needs Data Exploration - ANSWER In which phase of the data analytics life cycle does an analyst build a histogram? a. Data acquisition b. Data exploration c. Discovery d. Predictive modeling Exploratory data analysis - ANSWER An analyst applies a statistical formula to o...

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11 pages

Written in 2022/2023

Grade A+

ACADEMICWISEGIANT

Identifying business needs - ANSWER Which activity does an analyst perform in the discovery phase of the data analytics life cycle? a. Collecting Data b. Cleaning Data c. Identifying outliers d. Identifying business needs Data Exploration - ANSWER In which phase of the data analytics life cycle does an analyst build a histogram? a. Data acquisition b. Data exploration c. Discovery d. Predictive modeling Exploratory data analysis - ANSWER An analyst applies a statistical formula to obtain the ave...

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10 pages

Written in 2022/2023

Grade A+

SylviaMn

Identifying business needs - ANSWER Which activity does an analyst perform in the discovery phase of the data analytics life cycle? a. Collecting Data b. Cleaning Data c. Identifying outliers d. Identifying business needs Data Exploration - ANSWER In which phase of the data analytics life cycle does an analyst build a histogram? a. Data acquisition b. Data exploration c. Discovery d. Predictive modeling Exploratory data analysis - ANSWER An analyst applies a statistical formula to obtain the ave...

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10 pages

Written in 2022/2023

Grade A+

SmartShirley

Identifying business needs - ANSWER Which activity does an analyst perform in the discovery phase of the data analytics life cycle? a. Collecting Data b. Cleaning Data c. Identifying outliers d. Identifying business needs Data Exploration - ANSWER In which phase of the data analytics life cycle does an analyst build a histogram? a. Data acquisition b. Data exploration c. Discovery d. Predictive modeling Exploratory data analysis - ANSWER An analyst applies a statistical formula to obtain the ave...

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10 pages

Written in 2022/2023

Grade A+

NeshAcademia

Which activity does an analyst perform in the discovery phase of the data analytics life cycle? A. Collecting Data B. Cleaning Data C. Identifying Outliers D. Identifying Business Needs D In which phase of the data analytics life cycle does an analyst build a histogram? A. Data Acquisition B. Data Exploration C. Discovery D. Predictive Modeling B An analyst applies a statistical formula to obtain the average temperature for a city over the last 50 years. Which phas...

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17 pages

Written in 2022/2023

Grade A+

YANCHY

Data preparation Time - ANSWER data preparation 80%, and everything else falls into about 20% GIGO - ANSWER garbage in, garbage out. That's a truism from computer science. The information you're going to get from your analysis is only as good as the information that you put into it Upside to In-house data - ANSWER It's the fastest way to start., you may actually be able to talk with the people who gathered the data in the first place. Downside to In-house data - ANSWER if it was an a...

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52 pages

Written in 2022/2023

Grade A+

papersbyjol

Data scientists are able to find ______, _________, and _____ in unstructured data. - ANSWER order, meaning, and value What is involved in the planning phase? - ANSWER 1. Defining goals 2. Organizing resources 3. Coordinate people 4. Schedule project What is involved in the wrangling phase? - ANSWER 5. Get data 6. Clean data 7. Explore data 8. Refine data What is involved in the Modeling phase? - ANSWER 9. Create model 10. Validate model 11. Evaluate model 12. Refine model W...

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59 pages

Written in 2022/2023

Grade A+

papersbyjol

What are the 7 steps of the data analytics journey? - ANSWER Business Understanding (Discovery Phase) Data Acquisition (Data Collecting) Data Cleaning Data Exploration Predictive Modelling Data Mining Reporting & Visualization Define: discovery phase - ANSWER Analyst defines the major questions of interest that need to be answered, needs of the stakeholders and assesses the resource constraints of the project Define: data acquisition (data collecting) - ANSWER Frequently retrieved fr...

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8 pages

Written in 2022/2023

Grade A+

papersbyjol

Lack of Organization and Lack of Sponsor Support - ANSWER What are some of the main reasons that projects fail? Hacking Skills, Math and Statistics, and Domain Expertise - ANSWER What is the Venn Diagram for Data Science? Discovery - ANSWER Define Goals, Ask Questions, Develop a Problem Statement, Organize Resources Data Acquisition - ANSWER Gather Data through API's, Open Data, Passive Data, and internal/external sources Data Exploration - ANSWER Make Visualizations, Summaries, Re-...

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29 pages

Written in 2022/2023

Grade A+

papersbyjol

Analyses for Data Science: Descriptive: - ANSWER Humans are good at finding patterns, but limited bandwidth - so we need to narrow the data. Look at the data. 1) Visualize the data - graphs, histograms, bell curve 2) Compute Univariate Descriptive Statistics: mean (average), mode (most common), median (splits into two equal halves). So ONE Value. 3) Measures of association: connection between the variables in your data. Range: high and low, Quartiles, Variance, Standard Deviation, Correlation...

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17 pages

Written in 2022/2023

Grade A+

papersbyjol

Identifying business needs - ANSWER Which activity does an analyst perform in the discovery phase of the data analytics life cycle? a. Collecting Data b. Cleaning Data c. Identifying outliers d. Identifying business needs Data Exploration - ANSWER In which phase of the data analytics life cycle does an analyst build a histogram? a. Data acquisition b. Data exploration c. Discovery d. Predictive modeling Exploratory data analysis - ANSWER An analyst applies a statistical formula t...

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10 pages

Written in 2022/2023

Grade A+

papersbyjol