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Data Analytics > Data Analytics - A to D - Revision > Flashcards

Data Analytics - A to D - Revision Flashcards

1
Q

Absolute Referencing

A

Always referencing a specific cell in a spreadsheet that never changes $A$1

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2
Q

Accidental Threat

A

A threat with the potential to cause harm to data and information but is unintentional and unexpected (accident)

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2
Q

Access Log

A

Activities performed on a network, information system or web server

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3
Q

Access Restriction (permissions)

A

Limiting the user access to particular files or particular functions of an information system

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4
Q

Accuracy (Data Integrity)

A

Correctness, without errors

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5
Q

Acquisition

A

Gathering of Data - Surveys, questionnaires, observation, etc.

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6
Q

Algorithm

A

A calculation strategy (such as a method of finding out whether a year is a leap year or not for example)

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7
Q

APA (American Psychological Association)

A

A referencing method used to acknowledge intellectual property (APA7 is current model)

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8
Q

Analysis

A

The first stage of the problem solving methodology, where problems are defined

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9
Q

Analytic Coding

A

The means by which labels are applied to transcripts of text (coding whole qualitative sentences to one word)

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10
Q

Animated Visualization

A

A visualisation that shows the data story as a series of images

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11
Q

Annotate

A

To add comments to a document, live or otherwise

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12
Q

Annotated Diagram

A

A rough sketch of the screen (form, report, web page,) with written notes explaining the features in more detail

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13
Q

Asymetric Encryption

A

Using a public Key and a Private key to encrypt and decrypt the same message

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14
Q

Audit Trail

A

Establishing a Sequence of actions in an information system

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15
Q

Authenticity (Data Integrity)

A

Data is that genuine, original and considered trustworthy

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16
Q

Backing Up

A

Making a copy of the data; the copy is stored in a separate location to the original, and if the original data becomes corrupt or lost, the data is then retrieved from backup

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17
Q

Backup Strategy

A

a series of procedures about how a backup will occur

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18
Q

Bar Graph

A

Visual tool showing totals as bars; the bars do not need to be related to each other

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19
Q

Barrier Technique

A

Physical barrier to stop unauthorized people gaining access to hardware and software

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20
Q

bench test

A

a formal testing process to determine how the solution behaves with a range of data

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21
Q

biometric security

A

devices to check the unique biological characteristics of a person

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22
Q

Bluetooth

A

short range radio waves that transmit data among bluetooth-enabled devices

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23
Q

Boolean Data

A

a logical data type that can hold only two possible values - usually true/false, or yes/no, or 0/1

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24
Brute Force Attack
Repetitive attempts at accessing an information system using a variation of possible usernames / passwords
25
Bubble Chart
Visual Tool showing numbers using circles to show their relatives sizes as well as their relative positions on the xy axis
26
Business Intelligence (BI)
Actionable knowledge attained from dashboard summaries of manipulated and analysed raw data
27
Calculated Field
A field in a database query that works out new fields based on existing fields, such as age from Date of Birth
28
Cell
Where a column and Row intersect in a spreadsheet; the same as a field in a database (A1, C8), etc.
29
Character (Char)
A single letter, number or symbol that is usually stored in 2 bytes (16 bits) of memory; a data type
30
Chart
A method of displaying data visually using symbols, sometimes known as a graph
31
Checking Authorisation Credentials
Checking a user level of access when accessing restricted areas
32
Cherry Picking
Selecting Data to serve preconceived ideas about the results; contradictory data is excluded from the sample
33
Citation
A reference to an information source
34
Clarity (Data Integrity)
Something that is coherent and easily understood - also contributes to accuracy
35
Clarity of Message
How well the typical user interprets the information presented to them
36
Client/Server Network
How well typical users interpret the information presented to them
37
Closed Question
A question that offers a limited range of possible answers
38
Cloud
Storing data in a remote location, using an internet connection to transfer data
39
Cloud computing
involves storing data in a remote location, using an internet connection to transfer data
40
Colour Vision Deficiency (CVD)
An altered colour perception (red-green is the most common)
40
Column
A vertical series of cells in a spreadsheet
40
Code of Conduct
Set of conventional principles and expectations that is considered binding on any member of a particular group (board, etc)
41
Column Graph
Visual tool showing numbers as vertical bars
42
CSV (Comma Seperated Value)
A file format that stores data in tabular format in a plain text file
43
Communication hardware
any device that transmits a signal across a communications system (like a modem)
44
Comparison Infographic
An infographic that compares and constrasts two options - typically left or right, or top of bottom
45
Completeness (Data Integrity)
The data has all the necessary parts
46
Comprehensive management Plan
A file management strategy that includes storage, retrieval, backups, arching and security of documents
47
Concurrent tasks
Project management - when more than one task is undertaken at the same time
48
Conditional Formatting
A way of changing the appearance of data to reflect values and make patterns easier to see
49
Consistency (Data integrity)
Treating data sets in the same way or ensuring that the appearance of items is formatted to look the same (contributed to accuracy as well)
50
Constraint
Limitation on software solution - can be economic, legal, technical, social or usability related
51
Contingency plan
a course of action designed to respond effectively to a significant event that may occur
52
Continuous data protection (CDP)
Storage technology that can save real time data changes and enable data to be restored
53
Controlled
When variables are maintained or unchanged, while other variables are changed
54
Convention
The accepted way(s) that meets expectations when a format is used
55
Cookie
A small file that a webserver stores on a users computer that contains data about the user (Password, email address, browsing preferences)
56
Copyright
Legal Protection for intellectual property
57
Correctness (data integrity)
An element of integrity to ensure that data is right
58
Data
Raw, Unorganised facts, figures and symbol; data can also mean ideas or concepts before they have been refined.
59
data cleansing
a process where inaccuracies in data gathering are detected and corrected either by changing or replacing or removing
60
data deduplication
removing copies of (or redundant) data in a data set
61
data dictionary
a design tool for working out table and field names and properties
62
data integrity
ensuring that all data is trustworthy, which is achieved through accuracy, authenticity, correctness, reasonableness, relevance, and timeliness
63
data source
where data can be found and downloaded
64
data types
particular forms that an item of data can take, including numeric, character, date, boolean, etc.
65
data visulisation
the presentation of data in a pictorial or graphical format
66
database
software tool for storing and manipulating large sets of data
67
deliberate threat
a threat to data or an information system that has been created on purpose
68
descriptive coding
summarizing, in a word or noun, the basic meaning of a passage of qualitative data
69
design brief
a document outlining what is required in a solution
70
design
second stage of the problem solving methodology where designers ensure their work meets the requirements identified during analysis
71
design idea
creative exploration of concepts prior to selection
72
design principles
expectations around what needs to be considered when designing functionality and appearance
73
design stage
a stage of the Problem Solving Methodology (PSM) determinig the way the problem will be solved
74
DOI (Digital Object Identifier)
A unique alphanumeric string assigned by the international DOI Foundation - a persistent link to an internet location is assigned once a journal article is published
75
Digital system
Hardware for Input, Output or storage and communication
76
Dilemma
When there is a choice between two or more equally desirable options
77
Disaster Recovery Plan
Details of the steps required to recover information systems in the event of damage or loss. Also a strategy to prepare for, survive from, recoverfrom a disaster
78
Doxing
when a person has their private details published to expose their identity
79
Dynamic data visualisation
A graphic representation of data that can be altered to show and change relationships between data sets
80
Dynamic Verstaile Disk
DVD - a compact disk that can store about 4gb
81
A dynamic Visualisation
A presentation that allows data to be updated (live), and the presentation is thus adjusted to show the most recent findings.

Data Analytics (4 decks)

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