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Data Cleansing 101 Over All Assessment
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Test instructions
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DATA CLEANSING 101 OVER ALL ASSESSMENT
TEST ID or NUMBER : 408
PASSWORD : 1234
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Right to left
Left to right
Q1
Score: 1
getR and setR
getwd and setwd
getdir and setdir
getdb and setdb
Q2
Score: 1
raw data, tidy data set, R Package, instruction list
raw data, tidy data set, R Package, Code Book
raw data, tidy data set, R Package, Code Recipe
raw data, tidy data set, code book, instruction list
Q3
Score: 1
Significant, Qualitative
Missingness, Quantitative
Effectiveness, Quantitative
Missingness, Qualitative
Q4
Score: 1
data sets
data frames
data manipulation
data management
Q5
Score: 1
Media scraping
Web Cleaning
web scraping
Net Scathing
Q6
Score: 1
grep
gfind
gget
gsearch
Q7
Score: 1
Space, text
Dot, Character
Line, Tab
Comma, tab
Q8
Score: 1
common expression
regular expression
string expression
text expression
Q9
Score: 1
R Programming
Machine learning
RDBMS
MySQL
Q10
Score: 1
DPLYR
Extract
CostltR
POSIXLt
Q11
Score: 1
True
False
Q12
Score: 1
Rrows
Rbind
RBound
Rdraw
Q13
Score: 1
Data science
Data collection
Data analyses
Data processing
Q14
Score: 1
Algorithm
Structure
Statistics
Count
Q15
Score: 1
patterns and metacharacters
literals and metacharacters
patterns and characters
literals and characters
Q16
Score: 1
access
IP address
email address
account
Q17
Score: 1
artificial processing interfaces
artificial programming interfaces
application programming interfaces
application passport interview
Q18
Score: 1
High Definition form
Hierarchical data format
High Data Form
Huge Data Format
Q19
Score: 1
JavaScript Object Notation
Java Object Navigation
Java Optic Node
Java Optic Notation
Q20
Score: 1
Internet connection
Hotspots
Broadband
Satellite
Q21
Score: 1
HTML
Notepad ++
XML
JSON
Q22
Score: 1
you should have each variable that you've measured be in exactly one column
each different observation should be in a different row
All of the above
There should be one table for every kind of variable. All of the above
Q23
Score: 1
True
False
Q24
Score: 1
Unstructured data
Data Tables
Structured data
Data values
Q25
Score: 1
Rowsums
Rtable
XTable
Ftable
Q26
Score: 1
Social media and websites
Dot. Com and PHP
Getting and Cleaning
HTML, XML
Q27
Score: 1
RDBMS
RStudio
SQL
R programming
Q28
Score: 1
Extension Machine Language
Extensible Markup Language
Efficient Markup Language
Easy Machine Language
Q29
Score: 1
One step
Two step
Three step
Four step
Q30
Score: 1
Data Cleaning
Data set
Data Cleansing
Data table
Q31
Score: 1
gget
gfind
grep
gsearch
Q32
Score: 1
Variables
Variations
Bites
Information
Q33
Score: 1
Arrays
Strings
Data table
Integer
Q34
Score: 1
Algorithm
Statistics
Structure
Count
Q35
Score: 1
List
Clean
Summarize
Tidy
Q36
Score: 1
Excel
Word
Spreadsheets
WPS
Q37
Score: 1
mmddyy
arrange
mdy
mmddyyyy
Q38
Score: 1
Local
Linear
Text
Excel
Q39
Score: 1
patterns and characters
patterns and metacharacters
literals and characters
literals and metacharacters
Q40
Score: 1
True
False
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