Profile image of KarolSz
Flag of Romania Lublin, Romania
Member since February, 2012
1 Recommendations


Online Offline
I'm a statistician and data analyst with good theoretical background of quantitative methods and several years of working experience as a data analyst (at private companies and as a freelancer), statistician and tutor. I'm a reliable and dedicated person with true passion for statistics.
$15 USD/hr
7 reviews
  • 57%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 38%Repeat Hire Rate


Recent Reviews

  • image of Vipin85Gupta Small task on Econometrics $40.00 USD

    “Good work delivered in a good time. highly appreciated. will hire again . Recommended”

  • image of YeeY finance/math paper to edit $160.00 USD

    “KarolSz did excellent job deserves five stars*****”

  • image of mathieuve Statistics: Diebold Mariano test $40.00 USD

    “Great job! Highly Recommended. A great communicator and very helpful. I hope to work with Karol again. [26 April, 2012] Great job! Highly Recommended. A great communicator and very helpful. I hope to work with Karol again.”

  • image of HerjanMijderwijk Project for Karolsz2 $50.00 USD

    “Very good and professional freelancer. Would hire again!”

  • image of mei7 Analyze Scientific Research Data [Sealed]

    “Karol did a great job analyzing my data. He gave me explanations for each regression he did, and was thorough in his results. Also he was able to figure out what needed to be done with my data without my explaining it each step of the way. 5/5 would hire again :)”


    “This guy did great work.... excellent work. I would hire him again. Highly recommended.”


Statistician and Data Analyst

Oct 2010

Data analyst and statistician at financial company. Within the company I am responsible for designing, implementation and final results of data analyses. My projects include market research, financial and macroeconomical forecasting. Software used: SPSS, STATISTICA, Eviews, SAS, STATA, R Project

Data Analyst

May 2010 - Oct 2010 (5 months)

Employer of biggets Polish company doing market research. I've worked as a data analyst involved in several projects of market research, marketing research, social, medical and financial studies. I've participated also in sample design. Software used: SPSS Methods used: multivariate data analysis, logistic regression

Data Analyst

May 2008 - Oct 2010 (2 years)

Working for a Warsaw - based think tank doing macroeconomical research of financial sector. I've participated in research of Polish insurance market and in complex macroeconomical analyses for the Polish economy. Softare used: SPSS, Eviews, R, STATISTICA, SAS, STATA


BA - Quantitative Methods

2005 - 2008 (3 years)

MA - Quantitative Methods

2009 - 2010 (1 year)


SAS Data Analyst (2010)

SAS Institute & Warsaw School of Economics

Certificate providing data analyses skills in the SAS software


Outlook of Polish insurance market

Part of Annual Report for Polish Insurance Chamber, presents outlooks and forecasts for evolution of the Polish insurance market (incomes, profitability) in the financial year 2011.

Indicators of economic sentiment in Poland

Article presenting in-depth, multicriterial analysis and comparison of indicators of economic sentiment in Poland and their performance

Correlations and interdependencies between Polish and European financial markets

Paper analyzing correlations and interdependencies between Polish and European financial markets


  • US English Level 1


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