Categorical Data
Privacy Preserving Categorical Data Analysis with Unknown Distortion Parameters
... preserving data mining. However, data owners are still reluctant to release their (perturbed or trans- formed) data due to privacy ...to data miners and investigate whether data mining ...
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Distance estimation for mixed continuous and categorical data with missing values
... continuous data should be scaled and translated according to their respective chosen distributions, and categorical data should be transformed in the right domain to make the expected computations, ...
52
Multiple imputation of missing categorical data using latent class models: State of the art
... While in the frequentist framework a nonparametric bootstrap is needed to account for parameter uncertainty, when using a Bayesian MCMC approach parameter uncertainty is automatically accounted for. More specifically, ...
35
The Application of Canonical Correlation to Two-Dimensional Contingency Tables
... Almost every elementary statistics textbook has some coverage of the chi-square test (e. g., Comrey & Lee, 2007, Kirk, 2007, Howell, 2002). In particular, the chi-square test is presented in the analysis of ...
15
Clinics vol.66 número3
... enrolled. Data regarding demographics, disease duration and subtype, age at diagnosis, nailfold capillaroscopic pattern and autoantibody profile were collected, and a full ophthalmic examination was ...
7
J. Phys. Educ. vol.27
... (continuous data) was used to compare the sexes. The Chi-square test (categorical data) assessed the existence of associations of blood pressure (dependent variable) with nutritional status, waist ...
12
Impact of shocks on mortality in patients with ischemic or dilated cardiomyopathy and defibrillators implanted for primary prevention.
... Categorical data are presented as absolute numbers and percentages of the group, continuous variables as mean 6 SD. Comparison of normally distributed continuous variables was performed by 2-tailed Student ...
7
A Cluster Feature-Based Incremental Clustering Approach to Mixed Data
... mixed data: Majority of the clustering methods are based on the use of a distance measure defined either on numerical attributes or on categorical ...mixed data is an indispensable one. Along with, ...
6
On Enhancing Data Utility in K-Anonymization for Data without Hierarchical Taxonomies
... Proportionally by increasing the k value the privacy protection will be better. However, by comparing the Table 1(a) with Table 2, it is very clear that due to the modification of original data in generalization ...
11
Rev. bras. cineantropom. desempenho hum. vol.17 número6
... sotware. Data on the sample characteristics were descriptively analyzed (mean and standard deviation) for continuous data and frequency distribution (percentage) for categorical ...
15
J. Pediatr. (Rio J.) vol.92 número4
... 5%, and a study power of 80%. Moreover, the sample weight was considered as 1.48, calculated based on the data of the number of classes and schools, due to the sampling design used. Thus, the sample size was ...
7
Radiographic adenoid evaluation - suggestion of referral parameters
... Initially, the sample was described according to the demo- graphic data, respiratory complaints and the research variables. Optimal cut-off points were chosen for each of the quantitative variables (nasopharyngeal ...
7
J. Appl. Oral Sci. vol.22 número1
... Brazil. Data collection occurred in public institutions of early childhood ...history. Data were analyzed by the chi-square test (χ2) and by discriminant ...
6
Caracterização morfoagronômica e molecular de cultivares de maracujazeiro ornamental
... binary data matrix, which were used to estimate the genetic distance between cultivars based on the Nei and Li similarity coefficients, with the aid of Genes software (Cruz, ...
12
Estudo de associação entre ácido úrico e o temperamento
... Preliminary versions of the scale were reviewed by psychologists familiar to current concepts of temperament. Four preliminary pen and paper versions were developed with around two thousand subjects of Porto Alegre, ...
85
Summary remarks by Dr. Félix Hurtado ... regarding the discussion on the additional protocol to the Pan American Sanitary Code
... American Sanitary Code and, by employing parliamentary strategy, we succeeded in preventing the adoption of the original motion and in securing the categorical declaration [r] ...
2
S TOCHASTIC MODELLING OF THE RESERVOIR LITHOLOGICAL AND PETROPHYSICAL
... The complex investigation of carbonate hydrocarbon reservoirs via geological, geophysical and field methods has a great scientific and practical importance. The role of geophysical prospecting technics is essentially ...
106
Cognitive maps in early entrepreneurship stages: from motivation to implementation
... Baron’s (2006) ‘connecting the dots’ approach to business opportunities and the decision to launch is based on pattern recognition theory – the process through which individuals perceive complex and apparently unrelated ...
16
Rev. Saúde Pública vol.47 número3
... The categorical variables analyzed were: sex (female/ male); reported diagnosis of disease and health problems (diabetes mellitus, high blood pressure, coronary disease, hypercholesterolemia and hypertriglyceri- ...
8
Comparing trade-off adjustments in credit risk analysis of mortgage loans using AHP, Delphi and MACBETH
... Methodological comparisons among multiple criteria approaches have been widely reported in the literature (see, among others, Olson et al. 1995; Boucher et al. 1997; Zanakis et al. 1998; Scholl et al. 2005; Perini et al. ...
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