Exploratory Data Analysis 19 docx

... information. Making Sense of Data: A Practical Guide to Exploratory Data Analysis and Data Mining, By Glenn J. Myatt Copyright # 2007 John Wiley & Sons, Inc. 8 Making Sense of Data variation of this ... step to clean and categorize the data. The data analysis /data mining expert should be primarily responsible for transforming the data into an appropriate form for anal...

Ngày tải lên: 03/04/2014, 12:22

... CRC Press LLC 18 Exploratory Data Analysis with MATLAB This data set consists of particle size measurements originally presented in Timmins [198 1] and analyzed by Olbricht [198 2], Fieller, Gilbertson ... Exploratory Data Analysis with MATLAB 1.5 Transforming Data In many real-world applications, the data analyst will have to deal with raw data that are not in the most co...

Ngày tải lên: 08/04/2014, 10:10

... . . . . . . . . . . . . . . 192 9.3 The Symmetric 1-Sample Location Problem . . . . . . . . . . 194 9.3.1 Hypothesis Testing . . . . . . . . . . . . . . . . . . . . 194 9.3.2 Point Estimation ... 194 9.3.2 Point Estimation . . . . . . . . . . . . . . . . . . . . . 197 9.3.3 Interval Estimation . . . . . . . . . . . . . . . . . . . . 198 9.4 A Case Study from Neuropsychology . . ....

Ngày tải lên: 16/01/2014, 16:33

... differences between operational data found in OLTP systems and decision support data found in a data warehouse. Operational Data Decision Support Data Application-oriented: data serves a particular ... Availability 459 Off-the-Shelf Data Mining Tools 459 Definition 459 Operational Data Store vs. Data Warehousing 460 OLAP vs. Data Mining 460 Data Mining Models 46...

Ngày tải lên: 13/02/2014, 08:20

... Imputation of Missing Data 161 9.1 Missing Data in Smoking Cessation Study 161 9.2 Multiple Imputation with aregImpute() 163 9.2.1 Imputed Data 165 9.2.2 Pooling Results Over Imputed Datasets 166 9.3 ... Baron, Behavioral Research Data Analysis with R,UseR, DOI 10.1007/978-1-4614-1238-0 5, © Springer Science+Business Media, LLC 2012 79 28 2 Reading and Transforming Data Format The...

Ngày tải lên: 28/03/2014, 09:20

... writing about or describing data, you will want to be both correct and precise. Data are, datum is: "These data are flawed." (correct) "This data is flawed." (incorrect) ... Statistics and Data Analysis for the Behavioral Sciences has several supplements designed to help both instructors and students. These supplements include: Elementary D...

Ngày tải lên: 29/03/2014, 04:21

... There was also no evi- Table 3 The use of consultants in an ABC project Year 198 6 198 7 198 8 198 9 199 0 199 1 199 2 199 3 199 4 199 5 No. of adopters 3 3 3 4 6 15 18 18 18 13 Use cons. ± ± 1 1 1 8 9 5 3 ... motives Motive Year 198 6 199 0 n=0 (%) 199 1 199 2 n =19 (%) 199 3 199 5 n=20 (%) Ecient-choice Existing system not reliable ± 25 19 Existing system not useful for man...

Ngày tải lên: 29/03/2014, 14:20

... October 28, 2010 20:27 -15 -10 -5 0 5 10 15 Residual: LOESS -15 -10 -5 0 5 10 15 196 5 197 0 197 5 198 0 198 5 199 0 Residual: Straight Line FIGURE 3-6.Residuals for the women’s marathon results, ... attached to the data points? But it doesn’t matter; the data itself shows clearly that the amount of random noise in the data is small. This does not mean that there aren’t pr...

Ngày tải lên: 31/03/2014, 12:20

... 14-state model 2. Power Quality Harmonics Analysis and Real Measurements Data 20 Figure 12 –15 give the three algorithms estimates, for 10% missing data with no noise and with 0.1 standard ... the performance of the three algorithms when 10% of the data is missed, taken uniformly at equal intervals starting from the first data point, for the noise free signal and 0.1 standar...

Ngày tải lên: 19/06/2014, 08:20

... 0.2497 179.95 0.1 0.0 0.0501 0.200 B 1.0 -150 0.2496 179.95 0.1 119. 83 0.04876 -120.01 C 1.0 89.9 0.2496 179.95 0.0997 - 119. 95 0.0501 119. 8 Table 3. The estimated harmonic in each phase, sampling ... 0.124 0.110 0.0301 0.441 B 0.8986 -149.97 0.2495 179.93 0.123 119. 85 0.0298 -120.0 C 0.900 89.91 0.2495 179.9 0.123 - 119. 96 0.0301 119. 58 Table 4. Estimated positive sequence for ea...

Ngày tải lên: 19/06/2014, 08:20