PA (Hard level)

Question 1

an statistical method used to
generate recommendations and make decisions
based on the computational findings of algorithmic
models

Answer 1

Prescriptive Analytics

Question 2

which involves combining data from
multiple sources to infer patterns and model complex circumstances

Answer 2

Complex event processing

Question 3

combinations of various machine learning
algorithms designed to process complex data

Answer 3

Neural Networks

Question 4

which are computer algorithms
designed to predict positive or negative preference based on what
users have chosen in the past

Answer 4

Recommendation Engines

Question 5

alternative methods of problem solving that can
approximate an answer when finding a definite one fails

Answer 5

Hueristics

Question 6

is a data analytics tool designed by marketers, for
marketers, and provides a way for them to get all of their data in
one place, in real-time through automated dashboards and reports

Answer 6

Improvado

Question 7

offers artificial intelligence and
prescriptive analytics to companies through an open
and extensive data analytics platform. This centralized
platform features a powerful and robust graphical
interface that enables users to create, maintain, and
deliver predictive analytics. The tool also includes
scripting support in multiple programming languages

Answer 7

RapidMiner

Question 8

lets users easily transform their data into stunning
interactive reports. The tool’s visualization capabilities include a
drag-and-drop, simple user interface, which allows for charts and
more complex graphics, along with interactive visualizations, to
be easily created

Answer 8

Sisense

Question 9

is an open source BI tool for data integration, reporting,
and analytics. It features a visual interface that includes nodes
for a range of activities, from extracting data to presenting it.
The platform is primarily focused on statistical models.

Answer 9

Knime

Question 10

is a business intelligence tool
that helps organizations turn their data
into impactful, actionable insights

Answer 10

Tableau

Question 11

offers data blending and analyzing features in a one
prescriptive analytics tool. The platform provides deployable analytics, makes
use of repeatable workflow, and then shares the derived analytics to provide
deeper data insights in just hours.

Answer 11

Alteryx

Question 12

a web-based business intelligence and prescriptive analytics tool
that connects insights from multiple teams, allowing companies to make better informed decisions, and offering optimization and automation for the entire BI
process. The platform’s unique approach connects every user to a shared
analytical network that can be easily accessed and extended.

Answer 12

Birst

Question 13

data and marketing tool famous for its versatility of use. It
is able to interface with some of the biggest names in the cloud service
provider industry, including Amazon AWS, Microsoft Azure, and Google
Cloud.

Answer 13

Talend

Question 14

browser-based platform that offers a unique modeling
language. Operating 100% in-database, the tool capitalizes on the newest and
fastest analytic databases to get real-time results. It makes it relatively easy for
users to choose, create, and customize a wide variety of interactive
visualizations, providing numerous graphs and charts and graphs to choose
from.

Answer 14

Looker

Question 15

it provides the central topic in optimization. It a powerful tool in modeling many applications

Answer 15

Linear Programming

Question 16

attracted its attention in optimization for two main reasons:

Answer 16

1. Applicability
2. Solvability

Question 17

Describe our choices that are under control

Answer 17

decision variable

Question 18

describe a criterion that we wish to minimize or maximize

Answer 18

objective function

Question 19

describe the limitation that restricts our choices for decision variable

Answer 19

constraints

Question 20

refer to optimization problem in which the objective function is linear and each constraint is a linear inequality or equality

Answer 20

linear programming

Question 21

represent all possible solution to the problem

Answer 21

Feasible set

Question 22

vertex of the feasible set

Answer 22

corner point

Question 23

the point that maximizes or minimizes the objective function

Answer 23

optimal solution

Question 24

maximum or minimum value of the function

Answer 24

optimal value

Question 25

the optimal solution to a linear programming problem exists and must occur at a vertex of the feasible set

Answer 25

fundamental theorem of linear programming

Question 26

if the optimal solution occurs at two adjacent vertices of the feasible set, then the linear programming problem has infinitely many solutions. any point on the line segment joining the two vertices is also a solution

Answer 26

fundamental theorem of linear programming

Question 27

a set that has no bound and continues indefinitely

Answer 27

unbounded set

Question 28

a set that has a boundary around the feasible set

Answer 28

bounded set

Question 29

function of solver tool in excel

Answer 29

1. may be used to solve linear and nonlinear optimization problems
2. allows integer or binary restrictions to be placed on decision variables.
3. can be used to solve problems with up to 200 decision variables

Question 30

Optimization problem involves

Answer 30

1. maximum profit
2. Minimum cost
3. Minimum use of resources

Question 31

it aims to find the optimum solution subject to the constraints of the problem

Answer 31

optimization problems

Question 32

techniques which help us to find the optimal solution for a given problem

Answer 32

Linear Programming

Question 33

exist because certain limitations restrict the range of variable’s possible values

Answer 33

Constraints

Question 34

considered to be binding if changing it also chnages the optimal solution

Answer 34

constraints

Question 35

less sever constraints that do not affect the optimal solution are non binding

Answer 35

constraints

Question 36

is a constratint whose value satisfies the optimal solution andvthat any changes in its value changes the optimal solution

Answer 36

Binding Constraints

Question 37

Difference between the final value and the constraints right hand

Answer 37

Slack/surplus value