Why is data pre-processing important

Assignment Help Database Management System
Reference no: EM131858129

Assignment

APA format with references

1. Read the dataset description at UCI Machine Learning: Credit Approval. In your own words, describe your understanding of the dataset, what the attributes (columns) mean, and what each observation (row) represents. (5 sentences)

2. What is discretization? Provide a one-paragraph, masters-level response in your own words.

3. Compare and contrast the discretization methods (equal interval, equal frequency, k-means clustering) providing at least one example of when you would use each one.

4. Why is it important to handle missing values in your dataset prior to beginning your primary data analysis? Provide a one-paragraph, masters level response in your own words.

5. Describe at least one alternative approach for handling missing values other than replacing the values with the attribute mean. Provide a one-paragraph, masters-level response in your own words.

6. Why is data pre-processing important? Describe at least two advantages that pre-processing results in as well as two disadvantages of not pre-processing. Provide a one-paragraph, masters-level response in your own words.

7. What differences did you observe between variable filters and row filters? Provide at least one scenario for each filter type where implementing the filter would benefit your data analysis. Provide a one-paragraph, masters level response in your own words.

Attachment:- Credit Approval Data Set.rar

Reference no: EM131858129

Questions Cloud

Assistance helps to reduce the inconvenience : Victim assistance helps to reduce the inconvenience that they face when appearing in court (Neubauer, 2017).
Determine which costing method is used to record inventory : Determine which costing method (Last In First Out [LIFO], First In First Out [FIFO], or weighted average cost) that is used to record inventory by your selected
Radical theories offer alternative explanations of crime : 1. Why do the labeling, conflict, and radical theories offer alternative explanations of crime?
Explain the meaning of a continuum of force : Explain the meaning of a continuum of force? How much force can be used by an officer when executing an arrest?
Why is data pre-processing important : Why is data pre-processing important? Describe at least two advantages that pre-processing results in as well as two disadvantages of not pre-processing.
Create a communication strategy that fosters change : Create a communication strategy that fosters change and innovation in an organization.
Which of the judicial selection methods is the most effectiv : Which of the judicial selection methods is the most effective? Support how the method you chose affects the paradigm of justice.
Non-violent drug offenders in the community : List three reasons and provide an explanation for each for keeping non-violent drug offenders in the community versus incarceration.
Assess the behaviors and motivation exhibited by the leader : Include examples of behaviors exhibited by the leader, and apply the leadership grid theory to analyze the leader's behavior.

Reviews

Write a Review

Database Management System Questions & Answers

  Write a research paper about privacy preserving data mining

Write a minor research paper about the Privacy Preserving Data Mining. Two parties owning confidential databases wish to run a data mining algorithm on the union of their databases

  Convert er diagram into relational schema

Suppose we are to design a registrar's database to store information about students, courses, the courses students have taken. Convert the E/R diagram into a relational schema.

  Why scm system is different than srm system

SCM in ERP- Report should be a detail report that highlight the importance of SCM systems. The Report should show the difference: why SCM System is different than SRM System

  Create a report detailing the basics of databases

Henningson has asked you to create a report detailing the basics of databases. She would also like you to provide a detailed explanation of relational databases along with their associated business advantages.

  Use an implicit cursor and a sql function to calculate

Use an implicit cursor and a SQL function to calculate the number of cars belonging to the particular car model and assign that value to the OUT parameter. Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

  What type of architecture does each dbms use

Determine each system's compliance with the functions that we would expect to be provided by a DBMS. What type of language does each system provide? What type of architecture does each DBMS use? Check the accessibility and extensibility of the sys..

  Build a sql server database in your visual studio project

build a sql server database in your visual studio project. add a table in the database using the properties of the

  Develop two table using the same process of accounting cycle

Develop at least two tables, using the same process of the accounting cycle selected for your previous Learning Team assignments, that could be used in a database for your selected accounting cycle.

  Describe at least two possible database failures

Describe at least two possible database failures that may occur once a database is placed into operation. Suggest actions that may be performed.

  Create a query based on the agency table

Create a query based on the Agency table that includes the Agency, FirstName, LastName, and City fields, in that order. Save the query as AgenciesByCity, and then run it

  Create script file to list file in directory in sorted order

Create a script file to list the files in a directory in sorted order, showingonlythe file name, file size, and modification date.Each file's attributes must be on one line per file, in any order.

  Explain the statement that relational algebra operators can

Explain the statement that relational algebra operators can be com-posed. Why is the ability to compose operators important?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd