Data Analysis Assistant

OTILIA BARBU

Livermore, CA

***********@*****.***

tel: 925-***-****

Work status: US citizen.

Scientific skills: qualitative and quantitative data analysis

Univariate and Multivariate Statistics

. Inferential statistics, hypothesis testing, confidence intervals.

. Generalized linear and mixed models (including multivariate and

logistic regression, ridge regression, LASSO, (M)ANOVA, (M)ANCOVA.

. Multilevel regression models, longitudinal data analysis.

Structural Equations Modeling (SEM)

. Factor models (EFA, CFA) and latent structure analysis.

. Linear, non-linear, and Bayesian SEM. Interaction models.

Statistical learning

. Data classification: logistic regression, discriminant analysis, k-NN.

. Dimension reduction (PCA, PLS) and clustering methods (K-means and

hierarchical clustering).

. Support vector machines with two or more classes, statistical

classification.

Statistical modeling and simulation

. Predictive modeling: Markov Chain, Time Series and Wavelet analysis

. Resampling methods: cross validation, bootstrap

. Monte Carlo (MC) and Markov Chain Monte Carlo simulations (MCMC)

Computational skills

Large datasets manipulation

. SQL, MySQL server, RMySQL package for R, MySQL for Excel

Statistical computation and modeling

. R, SAS, SPSS, Lisrel, NVivo, Matlab/Octave, VBA for Excel

Education:

. Ph. D. Educational Psychology with focus in Quantitative Statistical

Methods. Minor: Mathematics (2012) - University of Arizona

. Dottore in Matematica. Minor: Physics (2002) - University of Rome "La

Sapienza," Italy

. B.A., Mathematics. Minor: Physics (1989) - University of Bucharest,

Romania

Work experience:

1. Statistical Analyst - Technical Expert, College of Education, Dean's

Office, University of Arizona, Tucson, AZ, (2012-Present)

. Large data sets manipulation, data cleaning, and missing data

management.

. Survey analysis: validity and reliability estimation.

. Psychometrics analysis: design of instruments and development of

procedures for measurement

. Statistical model selection and validation based on information

criteria and Bayes factors.

. Structural Equation Modeling and MCMC for Bayesian SEM.

. Optimization Methods. Linear and Non-Linear Programing for Maximum

Likelihood (MLE) and Maximum a posteriori estimations (MAP).

2. Graduate Research Assistant, University of Arizona, Tucson, AZ, ( 2009-

2012)

. Study design and data analysis (EFA, CFA, parceling, validity, and

reliability).

. Multiple imputations and bootstrapping applied to missing data.

. Bayesian analysis for linear models using Gibbs sampler.

3. Statistical Analyst, A&M International, Rome, Italy, (1999-2003)

. Predictive analytics using time-series and wavelet methods applied to

tourism and entertainment industry.

. Investment Risk Assessment and Loss forecasting for investment

projects.

. Pattern analysis and trend investigation of economic data for specific

geographical areas.

Honors and Publications:

. More than 14 grants, peer reviewed papers, reports, and conference

presentations.

. College of Education and The Herbert & Pearl Levine Scholarship, 2011

- 2013

Hobby - Chess

. Member of the University of Bucharest (Romania) Chess Team, 1985-1989

. Woman Candidate Master (WCM)

Contact this candidate