Frequently asked questions.
We have used services of Rafal Piszczek (from BioStat company) since 2006 in scope of medical statistics. During our cooperation Rafal Piszczek has performed his services in professional way. We are indeed thankful for his reliability and recommend him as a professional statistician.
Rekomenduję firmę Biostat (...) w zakresie szeroko pojętej statystyki. Dotychczas korzystaliśmy z pomocy Biostat analizując dane w zakresie: wyznaczenia wartości NOEC; analizy głównych składowych (PCA); regresji głównych składowych (PCR) oraz analizy redundancji (RDA). Należy podkreślić, iż usługa została wykonana rzetelnie i profesjonalnie. Usługi świadczone przez firmę Biostat cechuje wysoki poziom jakości wykonania.
„The cooperation has concerned survey organization, consulting and statistical analysis of quantitative research. We are indeed thankful to Rafal Piszczek for his reliability and professionalism in ding his duties as well as for his creative contribution on the projects being conducted by Amgen.”
„I confirm that I have dealt with Mr Rafal Piszczek since 2006, during which time he has provided us with excellent support in the area of medical data analysis and the use of advanced statistical tools. I can confidently recommend Mr Rafal Piszczek as a solid and reliable expert in this field.”
„I have know and collaborated with Rafal Piszczek, member of our research team, since January 2005. I am absolutely convinced, Rafal Piszczek is a very good candidate for any responsible work in the area of statisties.”
Frequently asked questions.