# Real Data - Essay Example

Comments (0) Cite this document
Summary
This factor has been increased by introduction of advanced statistical software. They are easy to use and very efficient in their output generation. The inputs are usually real data…

## Extract of sample"Real Data"

Download file to see previous pages The data gathered can be used to perform a number of operations such as mean, standard deviation, variance, correlation etc. Therefore it is safe to say that real data makes it possible to make quantitative classifications. That is why we can say that real data makes it possible to run statistical analysis.
The research has been carried out on the results of 2008 American Presidential Elections. The Exhibit 1 shows actual results of elections. The tables are divided according to percentage lead of each president according to states. The data in Exhibit 2 shows pre election polls for each candidate. The data in Exhibit 2 two has been divided according to agencies which had delivered results or conduction these pre election polls. Column D in Exhibit 2 reflects leads to each respective president in states of polls. The data presented is real in nature for Exhibit 2. This is because the format is percentages of actual responses received from the public. Exhibit 1 also shows actual historical data as the responses are shows as percentage of total votes received by each presidential candidate.
In column E of exhibit 2 we have prepared another category denoted by numbers. This is a better way to convert real scale to nominal scale and then convert it to percentage to get a solution. The number ‘2’ represents a tie, ‘1’ lead of Obama and ‘0’ lead of McCain. If we calculate the percentage of ‘1’ to the entire population we can calculate how many polls considered Obama to win the elections. The percentage of polls that showed Obama as the winner were 71% where as only 10% predicted a tie of votes. This shows another quality of nominal data that it has to be converted into percentages to reach an analysis. The presidential elections did show a victory for president Obama which reveals that analysis using real data was successful in predicting election results.
Nominal data can lead to only qualitative ...Download file to see next pagesRead More
Cite this document
• APA
• MLA
• CHICAGO
(“Real Data Essay Example | Topics and Well Written Essays - 750 words”, n.d.)
Real Data Essay Example | Topics and Well Written Essays - 750 words. Retrieved from https://studentshare.org/miscellaneous/1562557-real-data
(Real Data Essay Example | Topics and Well Written Essays - 750 Words)
Real Data Essay Example | Topics and Well Written Essays - 750 Words. https://studentshare.org/miscellaneous/1562557-real-data.
“Real Data Essay Example | Topics and Well Written Essays - 750 Words”, n.d. https://studentshare.org/miscellaneous/1562557-real-data.
Click to create a comment or rate a document
CHECK THESE SAMPLES - THEY ALSO FIT YOUR TOPIC
Data Warehousing & Data Mining
...?Data Warehousing & Data Mining a. Why are organizations moving toward implementation of data warehouses? What are the benefits of data warehouses? Data warehousing and data mining are critical aspect of modern healthcare practices. Data mining (DM) is a process that aims to use existing data to uncover new relationships unknown thorough common analysis practices. The process is similar to the extraction of valuable metal hence the term “mining” (Jackson, 2003). Data mining is the process of analyzing extensive data with the aim of establishing correlation between...
3 Pages(750 words)Assignment
Discuss by collecting and analyzing historical data and by giving up-to-date real life example(s) from the American, UK or Europ
...of historical data and illustrating real life scenarios from the European, UK, or American Central banks. Question Interpretation Governments have alternative institutional arrangements which they exercise the monetary policy responsibility. A common arrangement is through independent central banking. The independent central bank is considered as one of the better alternatives for the policy instrument due to their changed in the economic performance. The conventional idea behind the central bank independence is to provide a better monetary policy for the country. The question that has always gone unanswered is if nations that have employed the mechanism of independent central bank experience a lower...
10 Pages(2500 words)Essay
Discuss by collecting and analyzing historical data and by giving up-to-date real life example(s) from the American, UK or Europ
...?Analysis of American and European Central Banks Introduction: To answer this issue properly there is a requirement for a country-specific measure aswell as data to be obtained from the central bank. Many economists have developed measures of CBI from various legal indicators, some of which are conferred in this essay. The Federal Reserve has taken unprecedented proceedings in the financial markets since the economy was plunged into financial crisis. Remarkable examples consist of lending in excess of \$1.5 trillion to monetary institutions and buying almost \$1.25 trillion of mortgage-backed securities to make the financial system stable. The large scale of these interferences has brought intense public inspection of the...
10 Pages(2500 words)Essay
Data
...obstruction 95% 95% Bile duct obstruction A prospective comparison of the diagnostic accuracy of ERCP, MRCP, CT, and EUS in biliary strictures (Rösch, et al. 2002) Agreement of data in 85% cases 90% 85% 70% 75% Malignant stricture Benign obstructive jaundice 85% 100% 88% 83% Malignant stricture Obstructive jaundice MRCP and ERCP in the diagnosis of common bile duct stones (Fulcher 2002) 90% 90% to 100% 98% 92% to 100% Common bile duct stones with jaundice and pain 100% 96% Common bile duct stones with jaundice and pain Table: Compare diagnostic Value of ERCP and ERCP Studies Diagnostic value of ERCP Diagnostic value of MRCP sensitivity specificity sensitivity specificity Bibliography Fayad, LM, T...
2 Pages(500 words)Essay
Real Estate Investment Analysis (data provided)
...Real E Investment Analysis Introduction George Laflin has \$450,000 and wants to invest in commercial and industrial property based in Texas. The name of the property is south Park IV which offers office and warehouse facilities. His main interest is to know the worth of the investment before he invests. Therefore, this report use discounted cash flows in evaluating the return on investment. 2. Market condition The population in Houston, Texas is growing in each year and so is the rate of occupancy. The competitors’ properties are not fully occupied. Therefore, there is room for growth for any potential investor. Also the rate at of absorption is very high. Meaning if a new investor comes into the market, more tenants are...
5 Pages(1250 words)Case Study
How to use R packages to identify differentially expressed genes for a real data set
...USING R TO IDENTIFY DIFFERENTIALLY EXPRESSED GENES FOR A REAL DATA SET By: Khalil Alzurki Presented Prof. Ron Yang 25th January 2013 R-editor Codes: expr<-read.csv("expr.csv",sep=",",header=TRUE) #calling the file without necessarily displaying the data expr # displays the data on the console ts(expr) converts the data to a time series so as to assign individual rows a distinct sequential number t.test(1:22283, y = 1:106, alternative = c("two.sided", "less", "greater"), mu = 0, paired = FALSE, var.equal = FALSE, conf.level = 0.95) # this is the instruction for carrying out the t-test. It specifies the range of values from which the data is to be covered for this particular test. Mu stands for the true value of the mean ( for the data... : Table of predicted significantly differentially expressed genes: t-test eBayes SAMr mean p-value 49452_at 1 1 0 0 AFFX-r2-HS185Rrna_5_at 1 1 1 1 AFFX-HUMRGE/M10098_3_at 1 0 1 1 Table of significantly differentially expressed genes using each method: t-test eBayes SAMr p-value 3 2 2 2 Conclusion: T-tests and ANOVA are the recommended ways of establishing whether there exist significant differences between the means of two or more inputs. In this case the aim of the tests was to identify differentially expressed genes from the data set. The data were...
4 Pages(1000 words)Coursework
Data Collection and Analysis With a Real Teacher-Researcher
...Data Collection and Analysis with a Real Teacher-Researcher Data Collection and Analysis with a Real Teacher-Researcher Chapter OneShe ought to look at literature as part of her journey to inquiry because it will give her ways to support her students, it will broaden her mind to see that other teachers have gone through the same ups and downs and come up with solutions to her problems. The literature has helped May know specific behaviors of her students, thus learning what needs each one requires, with different needs, it made her view each student as a unique individual with different strengths and weaknesses. During collection of her data, she will...
2 Pages(500 words)Essay
Data Collection and Analysis With a Real Teacher-Researcher
...Data Collection and Analysis with a Real Teacher-Researcher Erica Collins Walden Carol Luetzow, Ph.D Action Research for Educators (EDUC -6733P - 2) August 17, 2014 Data Collection and Analysis with a Real Teacher-Researcher Chapter Five To document May’s redirection behaviors, Sienna conducted four observations over a two-week period. The first observation by Sienna indicates that the number of redirections suddenly increased when the teacher went out of the class to the restroom. The students were quite for a while as they went through their sheet together. She also observed that Ms. Steward had less work redirecting the students, if she increased eye contact with...
2 Pages(500 words)Essay
Data
...include environmental education, disciplinary literacy, fine arts, and personal financial literacy education. The School Progress Index (SPI) is developed to evaluate the school’s achievements, growth, and gap reduction between elementary and middle schools as well as determine the college and career readiness for high school. The index (SPI) for the grades 3 – 12 is 0.9772 in 2012. The school improvement is measured using the accountability system whereby the school’s compliance to the set goals and objectives are continuously monitored over time. In order to ensure improvements, the school encourages teamwork, sets, clear and measurable goals, and regularly collects and analyzes the performance data in order to monitor...
1 Pages(250 words)Assignment
ACT 11 REAL DATA VS NOMINAL DATA
...Macro & Micro economics Real Data Vs Nominal Data Nominal Data v/s Real Value Data: As far as economics is concerned “Nominal data is the value of any item/service in terms of money while real data is the value of an item/service in terms of commodity or service” (Nominal, 2015) Examples: In economics, it is the monetary value of a commodity or service that represent nominal value while on the other hand real value represent the worth of an item or commodity in terms of some other commodity example may include a number of commodities that are represented in terms of GNP...
1 Pages(250 words)Essay