What is every data scientist‘s favorite distribution of data?

Normal Distribution – because Hypothesis Testing and Machine Learning just works

Exponential Distribution – because it is a smooth Geometric Distribution

Uniform Distribution – because it is easy math

What is Data Wrangling?

Bringing data in shape for databases or analytical systems including ETL and Data Cleaning

Discussion between stakeholders how to proceed with data

Clean Delete after analysis is done

an Event-Log, the result of an data engineering process to transform data into a process protocol

a software engine for graph analysis to enable the software to do graph optimization

a documented target process for the observation

Quiz

Linh Chi Nguyen 4 questions

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1What is every data scientist‘s favorite distribution of data?
1. AExponential Distribution – because it is a smooth Geometric Distribution
2. BUniform Distribution – because it is easy math
3. CNormal Distribution – because Hypothesis Testing and Machine Learning just works
2The 2nd quartile and the 50th percentile of a sorted data row is the...
1. Amean
2. Bmedian
3. Cmode
3What is Data Wrangling?
1. ABringing data in shape for databases or analytical systems including ETL and Data Cleaning
2. BDiscussion between stakeholders how to proceed with data
3. CClean Delete after analysis is done
4What kind of input does any Process Mining Tool need?
1. Aa software engine for graph analysis to enable the software to do graph optimization
2. Ba documented target process for the observation
3. Can Event-Log, the result of an data engineering process to transform data into a process protocol

Description: Quiz on Data Hacker Test, created by Linh Chi Nguyen on 08/11/2019.
Author: Linh Chi Nguyen
Language: Deutsch
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