He is an expert on international accreditation and partnership programmes between institutions of higher education. Since joining Pforzheim University in 2000, Cleff has spearheaded the development of an international dual-degree program, was appointed Vice Dean in 2012 and Dean of the Business School in 2014. Thomas Cleff is a Professor of Quantitative Methods for Business and Economics at Pforzheim University, Germany, and a Research Associate at the Centre for European Economic Research (ZEW), Mannheim, Germany.

His main research interests are in international marketing, white-collar crime, brand research, innovation, and industry studies.1.3 The Generation of Knowledge Through Statistics 24ġ.4.3 From Models to Business Intelligence 31Ģ.5 Outliers and Obviously Incorrect Values 43ģ.3 The Boxplot: A First Look at Distributions 68ģ.8 Using the Computer to Calculate Univariate Parameters 83ģ.8.1 Calculating Univariate Parameters with SPSS 83ģ.8.2 Calculating Univariate Parameters with Stata 84ģ.8.3 Calculating Univariate Parameters with Excel 85Ĥ.2 Association Between Two Nominal Variables 95Ĥ.2.7 Nominal Associations with Stata 112Ĥ.2.8 Nominal Associations with Excel 112Ĥ.3 Association Between Two Metric Variables 114Ĥ.3.2 The Bravais-Pearson Correlation Coefficient 117Ĥ.4 Relationships Between Ordinal Variables 121Ĥ.4.1 Spearman’s Rank Correlation Coefficient (Spearman’s rho) 123Ĥ.5 Measuring the Association Between Two Variables with Different Scales 135Ĥ.5.1 Measuring the Association Between Nominal and Metric Variables 135Ĥ.5.2 Measuring the Association Between Nominal and Ordinal Variables 138Ĥ.5.3 Association between Ordinal and Metric variables 139Ĥ.6 Calculating Correlation with a Computer 141Ĥ.6.1 Calculating Correlation with SPSS 141Ĥ.6.2 Calculating Correlation with Stata 142Ĥ.6.3 Calculating Correlation with Excel 143Ĥ.7.3 Partial Correlations with Stata 150Ħ.1 Key Terms for Calculating Probability 173Ħ.3 Foundations of Probability Calculus 180Ħ.3.3 The Inclusion–Exclusion Principle for Disjoint Events 187Ħ.3.4 Inclusion–Exclusion Principle for Nondisjoint Events 188Ħ.3.6 Independent Events and Law of Multiplication 190Ħ.3.9 Postscript: The Monty Hall Problem 193ħ Random Variables and Probability Distributions 210ħ.1.1.1 Calculating Binomial Distributions using Excel 215ħ.1.1.2 Calculating Binomial Distributions using Stata 216ħ.1.2.1 Calculating Hypergeometric Distributions using Excel 220ħ.1.2.2 Calculating the Hypergeometric Distribution using Stata 221ħ.1.3.1 Calculating the Poisson Distribution using Excel 224ħ.1.3.2 Calculating the Poisson Distribution using Stata 225 He was a Senior Researcher at the Centre for European Economic Research (ZEW) in Mannheim from 1997 to 2000, where he led a variety of international research projects in the fields of innovation and strategic management. He has served as a Visiting Professor at several universities, including ESCEM Tours-Poitiers, France Simon Fraser University, Vancouver, Canada TEC de Monterrey, Mexico and Gadjah Mada University, Indonesia.Ĭleff holds degrees in Economics and Management from Pantheon-Sorbonne University, France and the University of Wuppertal, Germany. In 2013, he became a board member at the Network of International Business and Economic Schools (NIBES), and a member of the international advisory board at the South American Education Quality Accreditation Agency (EQUAA) in 2016 he joined the AACSB Initial Accreditation Committee.

Multivariate data analysis with excel