Professor Faleh Alshamari Submitted by: Wajeha Sultan Final Project Hashing: Open and Closed Hashing Definition: Hashing index is used to retrieve data. We can find‚ insert and delete data by using the hashing index and the idea is to map keys of a given file. A hash means a 1 to 1 relationship between data. This is a common data type in languages. A hash algorithm is a way to take an input and always have the same output‚ otherwise known as a 1 to 1 function. An ideal hash function is
Premium
Data Preprocessing 3 Today’s real-world databases are highly susceptible to noisy‚ missing‚ and inconsistent data due to their typically huge size (often several gigabytes or more) and their likely origin from multiple‚ heterogenous sources. Low-quality data will lead to low-quality mining results. “How can the data be preprocessed in order to help improve the quality of the data and‚ consequently‚ of the mining results? How can the data be preprocessed so as to improve the efficiency and ease
Premium Data mining Data analysis Data management
SMS CUSAT Reading Material on Data Mining Anas AP & Alex Titty John • What is Data? Data is a collection of facts and information or unprocessed information. Example: Student names‚ Addresses‚ Phone Numbers etc. • What is a Database? A structured set of data held in a computer which is accessible in various ways. Example: Electronic Address Book‚ Phone Book. • What is a Data Warehouse? The electronic storage of large amount of data by business. Concept originated in
Premium Data mining Decision support system
CHAPTER 17 DATA MODELING AND DATABASE DESIGN SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 17.1 Why is it not necessary to model activities such as entering information about customers or suppliers‚ mailing invoices to customers‚ and recording invoices received from suppliers as events in an REA diagram? The REA data model is used to develop databases that can meet both transaction
Premium Balance sheet Entity-relationship model Sales order
visual text. Explain how visual and/or verbal features make the beginning effective. “Hatred isn’t something you’re born with‚ it gets taught.” In the visual text Mississippi Burning these powerful words are reflected in the opening sequence. The opening sequence is made up of three key scenes‚ the drinking fountain scene‚ the burning church scene and the chase scene. These three scenes are effective because it establishes the central theme of the film. The director‚ Alan Parker‚ uses visual and
Premium Ku Klux Klan Black people Race
Data The variables of interest are oil imports to Germany‚ and temperature in Germany. The latter is used as a leading indicator for the former‚ to improve on the forecast obtained by the univariate model. Both variables are collected over a time range from January 1985 until and including December 1997‚ whereas the last year is not used for constructing the optimal forecast‚ obtained by fitting a model through the data until the end of 1996. This will enable us to forecast the year 1997 using
Premium Normal distribution Time series analysis Econometrics
The Baroque Era By El-Fatih J. Ajala The Genres of the Baroque Period: Opera – “drama presented in music‚ with the characters singing instead of speaking” (Joseph Kerman‚ p. 87): One cannot speak of Baroque opera without mentioning the name of Claudio Monteverdi (1567-1643). Monteverdi has the distinction of being known as the first great composer in the genre of opera‚ as well as the last true madrigalist of his time. He began writing his madrigals at a very early age and
Premium Opera Baroque music Music
thoughts or assumptions can change after viewing the play. In the Next Room‚ happens to be one of those plays that people are quick to judge but then have a change of heart after learning through this comedy yet historical play. In this production response‚ I will touch basis on the story‚ historical context‚ the stage and overall performance of the play “In the Next Room” produced at the Dominguez Hills University Theater. “In The Next Room” by Sarah Rahul‚ is a play written about the early history
Premium Theatre Performance Drama
Cleanliness is next to Godliness. This cliché holds its essence even today. Cleaning your surroundings is a very important step in order to maintain good hygiene and sanitation. Sanitation is always regarded as a key of development intervention. Be it your home‚ your garden or the public places‚ everyone likes to go to neat and clean spaces. We must not only keep our home clean but also our public spaces. Bus stations‚ railway stations‚ parks and gardens‚ roads‚ footpaths add to the community places
Premium Hygiene Public transport Bus stop
Using the Standard Deviation You made a number of observations about the data sets for the school activities. You used mean and median to measure the center of the data‚ and you used the interquartile range (IQR) to measure the spread. When outliers are present‚ the median and IQR are used to measure center and spread because they are unaffected by extreme values. When the data appears to be symmetric and there are no known outliers‚ the mean and standard deviation (another measure of spread)
Premium Median Standard deviation Normal distribution