STATISTICS - DATA ANALYSIS (SEM)
Course unit partition: Cognomi O-Z

Academic year 2008/09
1° year of course -
Professor
Academic discipline
()
Field
Ambito aggregato per crediti di sede
Type of training activity
hours
of face-to-face activities
credits
hub:
course unit
in

Course unit partition: STATISTICS - DATA ANALYSIS (SEM)

Learning objectives

        THE COURSE IS DESIGNED TO PRESENT THE FUNDAMENTAL TOOLS OF STATISTICAL <br />        DATA ANALYSIS FOR ONE OR TWO PHENOMENA AND TO PROVIDE AN INTRODUCTION TO <br />        THE STUDY OF ECONOMIC TIME SERIES. THE FUNDAMENTAL GOAL IS TO <br />        ALLOW THE STUDENT TO BECOME COMFORTABLE WITH THE QUANTITATIVE ANALYSIS <br />        OF COMPANY AND ECONOMIC DATA SO THAT HE/SHE WILL BE ABLE TO <br />        INDEPENDENTLY AND CORRECTLY PROCESS AND ANALYSE PROCESSING RESULTS. TO <br />        ATTAIN THIS GOAL, ATTENTION IS FOCUSED ON A NARROW RANGE OF TECHNIQUES, <br />        BUT THOSE WHICH ARE WIDELY USED IN A PRACTICAL CONTEXT. IN PARTICULAR, <br />        THE METHODS EXAMINED INCLUDE SYNTHESIS OF A SINGLE VARIABLE (FREQUENCY <br />        DISTRIBUTION, MEANS, VARIABILITY INDICES), CALCULATION OF SIMPLE AND <br />        COMPOUND INDEX NUMBERS, STUDY OF THE CORRELATION BETWEEN TWO <br />        QUANTITATIVE VARIABLES AND FITTING OF A REGRESSION LINE. FOR EACH <br />        TECHNIQUE, THE LOGICAL BASES AND COGNITIVE GOALS WILL BE EXPLAINED, <br />        WHILE THE TECHNICAL DETAILS AND MATHEMATICAL DERIVATIONS ARE GIVEN <br />        SECONDARY IMPORTANCE. FROM THIS STANDPOINT, EACH TECHNIQUE IS INTRODUCED <br />        IN REFERENCE TO THE BUSINESS AND ECONOMIC PROBLEMS THAT THE TECHNIQUE <br />        COULD CONTRIBUTE TO SOLVING (WITH SIMPLIFIED EXAMPLES THAT CAN BE <br />        PERFORMED IN DETAIL IN THE CLASSROOM) AND EXTENSIVE TIME DEDICATED TO <br />        CRITICAL INTERPRETATION OF THE RESULTS. AN IMPORTANT ASPECT THAT WILL BE <br />        COVERED A NUMBER OF TIMES DURING THE COURSE INVOLVES THE USE OF A <br />        COMPUTER IN PERFORMING STATISTICAL ANALYSIS. IN PARTICULAR, THE <br />        POTENTIALITIES OF MICROSOFT EXCEL, A SPREADSHEET WIDELY USED IN BUSINESS <br />        APPLICATIONS WILL BE EXPLAINED AND USED IN ACTUAL APPLICATIONS OF THE <br />        METHODS DISCUSSED IN CLASS. THE COURSE WILL MAKE REFERENCE ONLY TO THOSE <br />        CASES IN WHICH QUANTITATIVE INFORMATION IS AVAILABLE FOR THE ENTIRE <br />        REFERENCE POPULATION. FOR THIS REASON, A SUBSEQUENT COURSE IN <br />        STATISTICAL INFERENCE DURING THE SECOND YEAR IS REQUIRED IN WHICH <br />        STUDENTS WILL LEARN THE TECHNIQUES OF ANALYSIS FOR SAMPLE DATA.

Prerequisites

None

Course unit content

<br />        DATA COLLECTION AND STATISTICAL SOURCES.<br />        DATA MATRIX, GRAPHIC REPRESENTATION, USE OF A SPREADSHEET.<br />        FREQUENCY DISTRIBUTION AND CONTINGENCY TABLES. <br />        MEANS (ARITHMETIC, MEDIAN AND QUARTILES, MODE). <br />        INDICES OF ABSOLUTE VARIABILITY (VARIANCE, STANDARD DEVIATION, RANGE) AND RELATIVE VARIABILITY (VARIATION COEFFICIENT). <br />        FORM OF DISTRIBUTION.<br />        MOVING AVERAGES.<br />        SIMPLE INDEX NUMBERS.<br />        LINKING OF SERIES WITH DIFFERENT BASES; AVERAGE ANNUAL RATE OF <br /> VARIATION.<br />        COMPOUND PRICE INDEX NUMBERS AND DEFLATION OF VALUES AT CURRENT PRICES.<br />        COVARIANCE AND LINEAR CORRELATION COEFFICIENT.<br />        COVARIANCE MATRIX AND CORRELATION MATRIX.<br />        REGRESSION LINE: LEAST SQUARES; PARAMETER INTERPRETATION; <br />        GOODNESS OF FIT.<br />        LINEAR INTERPOLATION OF A TIME SERIES.

Full programme

- - -

Bibliography

        S. ZANI, INTRODUZIONE ALL'ANALISI DEI DATI NELL'ERA DI INTERNET, <br />        GIUFFRE, MILANO, 2002 (EXCL. CHAPTER 4, PARAGRAPHS 5.3, 5.4, 5.5, 5.6, <br />        5.7, 5.8 AND PARAGRAPHS MARKED WITH ASTERISK). <br />        A. CERIOLI, M. A. MILIOLI , M. RIANI, ESERCIZI DI STATISTICA. PARTE I. <br />        SECONDA EDIZIONE, UNI.NOVA, PARMA, 2006.

Teaching methods

- - -

Assessment methods and criteria

- - -

Other information

- - -