Imaginea de profil a utilizatorului ngarag
Steagul Zimbabwe Chitungwiza, Zimbabwe
Membru din 24 mai 2019
3 Recomandări


Conectat Deconectat
I am a professional statistician and data scientist. I am very versatile with a wide range of data engineering architectures and tools such as Hadoop, Cassandra, Tableau, Oracle, SAP, Cognos, Microstrategy, Azure, STATA, SPSS Statistics, SPSS Amos, SPSS Modeler, SPSS Analytic Server, SAS, R, MPLus, LISREL, EViews, MATLAB, Nvivo, [login to view URL], among others. With a great passion towards resolving problems, I am always available to assist organisations and post-graduate students with advanced statistical analyses including but not limited to EFA/PCA, CFA, SEM, Forecasting, Neural Networks, SNA, SVM, KNN, SLRM, ARMA, Discriminant Analysis, Cluster Analysis, Random Forests, GLM, Power Analysis, Decision Tree Analysis, Bayesian Statistics, Spatial Modeling, Multi-Dimensional Scaling, Mann-Whitney, Fisher, ANOVA, MANOVA, MANCOVA, Kruskal Wallis, Wilcoxon, Turkey, Friedman, Box-Cox, McNemar, Linear/Non-Linear Regression and qualitative analyses. Timely quality solutions are always guaranteed!
$15 USD/hr
97 recenzii
  • 96%Proiecte finalizate
  • 89%Conform bugetului
  • 86%La timp
  • 18%Rata de angajare repetată

Articole din portofoliu

Păreri Recente

  • imaginea utilizatorului Ronuk V. Dental aerosol investigation £250.00 GBP

    “Gary was great throughout. He is clearly knowledgeable in statistics and was very helpful in answering questions. Everything was done promptly. I would be more than happy to recommend him or use him again.”

  • imaginea utilizatorului Sandeep Kumar Reddy P. inferential statistics $35.00 USD

    “Expertise in inferential statistics is great.”

  • imaginea utilizatorului Jose Thomaz A. SPSS MSc. Work €60.00 EUR

    “Gary is extremely helpful and knowledgeable within statistics. Working with him again already!”

  • imaginea utilizatorului Maryam M. Project for Gary N. $40.00 USD

    “Gary is excellent, I highly recommend him. He delivers on time and very flexible for editing. Also he would explain step by step the work he has done. I will for sure work with him again.”

  • imaginea utilizatorului Pooya R. Project for Gary N. -- 10 $120.00 USD

    “Great to have another opportunity to work again with Gary. Great analysis and product.”

  • imaginea utilizatorului Pooya R. Project for Gary N. -- 9 $200.00 USD

    “Gary leaves no data-stone un-turned. He is a critical thinker, very thorough and patient, especially as I was learning and adjusting through his findings. Well done and thank you again.”


Senior Data Architect

May 2015

Supervising the implementation of big data analytics Administering database design, architecture, and development Data integration and ETL design, architecture and development Administering cloud computing designing, architecture and development Administering, configuring, monitoring, and performance-tuning Hadoop applications Troubleshooting problems regarding the databases, applications and development tools

Data Scientist

Dec 2008

Designing and building advanced analytics solutions Creating algorithms to extract information from large data sets. Developing predictive algorithms using R, SAS and SPSS Modeler Developing metrics and prototypes that can help drive business decisions. Designing, developing and deploying data analysis systems for large data sets Establishing scalable, efficient, automated processes for model development, validation and implementation


MSc. Business Intelligence Systems and Data Mining

2013 - 2015 (2 years)


IBM Certified Professional - SPSS Statistics (2014)

- IBM -

IBM Certified Professional - SPSS Modeler (2014)

- IBM -

IBM Certified Professional - Cognos BI (2014)

- IBM -

Certified Analytics Professional (2015)


Data Scientist Associate (2013)

- EMC -

Cloudera Certified Professional: Data Scientist (2013)



  • Preferred Freelancer Program SLA
  • Numeracy 1
  • US English Level 1
  • Statistics 1
  • Academic Writing


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