â¢GUIDA ECONOMIA 07-08 - Università degli studi di Udine
â¢GUIDA ECONOMIA 07-08 - Università degli studi di Udine â¢GUIDA ECONOMIA 07-08 - Università degli studi di Udine
242 prospectus udine - P. BORTOT, L. VENTURA, A. SALVAN, Inferenza Statistica: applicazioni con S- PLUS e R, Cedam, Padova, 2000. Further reading - G. CICCHITELLI, Probabilità e Statistica, second edition, Maggioli Editore, 2001. - S. IACUS, G. MASAROTTO, Laboratorio di Statistica con R, McGraw-Hill, 2003. STATISTICS CdL BE, EBA) Prof.ssa Laura Pagani (CdL BF, EC) Prof. Enrico Gori Contents Probability and statistics are branches of applied mathematics. Business uses them to quantitatively describe many events and processes. Therefore, a practical knowledge of probability and statistics is valuable in many aspects of business. The aim of this course is to teach the basic principles of the most common statistical techniques used in business. A basic knowledge of mathematics is necessary to understand the concepts. However, the course emphasizes the practical use of these concepts to solve real business problems. 1. Descriptive statistics: a summary. 2. Introduction to probability: experiments, events and their probability, conditional probability, Bayes’ theorem. 3. Discrete random variables: discrete probability distributions, expected value and variance, binomial and poisson probability distributions. Continuous random variables: probability density function, expected value and variance, exponential and normal probability distributions. 4. Linear combination of random variables; central limit theorem. 5. Sampling and sampling distributions: simple random sampling, introduction to sampling distributions, sampling distribution of the sample mean, sampling distribution of the sample proportion: largesample case, sampling distribution of the difference between the means of two populations: Independent samples, smallsample case (the normal population) and large-sample case; sampling distribution of the difference between the proportions of two populations: large-sample case. 6. Point estimation: point estimators, properties of point estimators: unbiasedness, efficiency, consistency. 7. Interval estimation: interval estimation of a population mean: small and large sample case. Interval estimation of a population proportion: large-sample case; interval estimation of the difference between the means of two population: independent samples, small-sample case (the normal population) and large-sample case; interval estimation of the difference between the proportions of two populations: large-sample case. Determining the sample size. 8. Hypothesis testing: developing null and alternative hypotheses; type I and II error, tests on a population mean: smallsample case (one-tailed and two-tailed tests), the normal population; tests on a population mean: large-sample case (onetailed and two-tailed tests); tests about a population proportion: large-sample case (one-tailed and two-tailed tests); hypothesis tests on the difference between two means of two populations: large and small-sample size; tests on the difference between the proportions of two populations: large-sample size. 9. Introduction to simple linear regression. Bibliography - S. BORRA, A. DI CIACCIO, Statistica, Metodologie per le scienze economiche e sociali, McGraw-Hill, Milano, 2004. - D. PICCOLO, Statistica per le decisioni, Il Mulino, Bologna, 2004.
prospectus udine 243 - D.M. LEVINE, T.C. KREHBIEL, M.L. BEREN- SON, Statistica, Apogeo, Milano, 2002. - G. CICCHITELLI, Probabilità e statistica, second edition, Maggioli Editore, Rimini, 2001. Exam Evaluation: To receive credits students must complete two written assignments, a midterm examination, and a final examination. STATISTICS (CdL SCSBM) Prof. Ruggero Bellio Aims The course provides an introduction to basic methods of statistical inference. Contents 1. Complementary elements of probability theory. Basic sampling theory. 2. The concept of a statistical model. Model specification and model checking. 3. Point estimation. 4. Testing. 5. Confidence intervals and regions. Prediction problems. Bibliography Main text - L. PACE, A. SALVAN, Introduzione alla Statistica, II, Inferenza, verosimiglianza, modelli, Cedam Padova, 2001. Supplementary texts - M. GRIGOLETTO, L. VENTURA, Statistica per le scienze economiche, Giappichelli, Torino, 1998. - G. CICCHITELLI, Probabilità e Statistica, second Edition, Maggioli Editore, 2001. STATISTICS FOR ECONOMIC ANALYSIS Prof. Gian Pietro Zaccomer Aims The course is the logical continuation of Statistical Measurement of Economics Phenomena. While the first course illustrates the elements to understand and measure economic values, the second course focuses on the main methods of statistical analysis, in time and space, of economic phenomenon. Contents 1 Analysis of economic values in time 1.1 Introduction to time series analysis. Variation of economic time aggregates. Graphic analysis of time series. Classical, stochastic and structural analysis. Hypothesis of decomposition model. 1.2 Stationarity of series. Linear and nonlinear trends. Variable transformations. Regression and moving averages. 1.3 Economic cycle and turning points. The concept of economic hysteresis. 1.4 Season and methods of seasonal adjustment for time series. 1.5 Residual component analysis. 1.6 Outlines on time series forecasting. 2 Analysis of economic values in space 2.1 Introduction of analysis and characteristics of spatial data. Analysis for points, lines and areas. Regular and irregular grids. Administration divisions. Triangulation methods and the creation of gravitational areas. 2.2 Indicators for socioeconomic territorial analysis. Classic shift-share analysis. 2.3 Contiguity and connection matrices. Spatial shift-share analysis. 2.4 Spatial autocorrelation and its measures. 2.5 The main problems of statistical modeling with spatial data. Territorial reorganization by means of indicators, flows and cluster analysis.
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242 prospectus u<strong>di</strong>ne<br />
- P. BORTOT, L. VENTURA, A. SALVAN,<br />
Inferenza Statistica: applicazioni con S-<br />
PLUS e R, Cedam, Padova, 2000.<br />
Further rea<strong>di</strong>ng<br />
- G. CICCHITELLI, Probabilità e Statistica,<br />
second e<strong>di</strong>tion, Maggioli E<strong>di</strong>tore, 2001.<br />
- S. IACUS, G. MASAROTTO, Laboratorio <strong>di</strong><br />
Statistica con R, McGraw-Hill, 2003.<br />
STATISTICS<br />
CdL BE, EBA)<br />
Prof.ssa Laura Pagani<br />
(CdL BF, EC)<br />
Prof. Enrico Gori<br />
Contents<br />
Probability and statistics are branches of<br />
applied mathematics. Business uses<br />
them to quantitatively describe many<br />
events and processes. Therefore, a practical<br />
knowledge of probability and statistics<br />
is valuable in many aspects of business.<br />
The aim of this course is to teach the<br />
basic principles of the most common statistical<br />
techniques used in business. A<br />
basic knowledge of mathematics is necessary<br />
to understand the concepts. However,<br />
the course emphasizes the practical<br />
use of these concepts to solve real business<br />
problems.<br />
1. Descriptive statistics: a summary.<br />
2. Introduction to probability: experiments,<br />
events and their probability, con<strong>di</strong>tional<br />
probability, Bayes’ theorem.<br />
3. Discrete random variables: <strong>di</strong>screte<br />
probability <strong>di</strong>stributions, expected value<br />
and variance, binomial and poisson probability<br />
<strong>di</strong>stributions. Continuous random<br />
variables: probability density function,<br />
expected value and variance, exponential<br />
and normal probability <strong>di</strong>stributions.<br />
4. Linear combination of random variables;<br />
central limit theorem.<br />
5. Sampling and sampling <strong>di</strong>stributions:<br />
simple random sampling, introduction to<br />
sampling <strong>di</strong>stributions, sampling <strong>di</strong>stribution<br />
of the sample mean, sampling <strong>di</strong>stribution<br />
of the sample proportion: largesample<br />
case, sampling <strong>di</strong>stribution of the<br />
<strong>di</strong>fference between the means of two populations:<br />
Independent samples, smallsample<br />
case (the normal population) and<br />
large-sample case; sampling <strong>di</strong>stribution<br />
of the <strong>di</strong>fference between the proportions<br />
of two populations: large-sample case.<br />
6. Point estimation: point estimators,<br />
properties of point estimators: unbiasedness,<br />
efficiency, consistency.<br />
7. Interval estimation: interval estimation<br />
of a population mean: small and large<br />
sample case. Interval estimation of a population<br />
proportion: large-sample case;<br />
interval estimation of the <strong>di</strong>fference<br />
between the means of two population:<br />
independent samples, small-sample case<br />
(the normal population) and large-sample<br />
case; interval estimation of the <strong>di</strong>fference<br />
between the proportions of two populations:<br />
large-sample case. Determining<br />
the sample size.<br />
8. Hypothesis testing: developing null<br />
and alternative hypotheses; type I and II<br />
error, tests on a population mean: smallsample<br />
case (one-tailed and two-tailed<br />
tests), the normal population; tests on a<br />
population mean: large-sample case (onetailed<br />
and two-tailed tests); tests about a<br />
population proportion: large-sample case<br />
(one-tailed and two-tailed tests); hypothesis<br />
tests on the <strong>di</strong>fference between two<br />
means of two populations: large and<br />
small-sample size; tests on the <strong>di</strong>fference<br />
between the proportions of two populations:<br />
large-sample size.<br />
9. Introduction to simple linear regression.<br />
Bibliography<br />
- S. BORRA, A. DI CIACCIO, Statistica,<br />
Metodologie per le scienze economiche e<br />
sociali, McGraw-Hill, Milano, 2004.<br />
- D. PICCOLO, Statistica per le decisioni, Il<br />
Mulino, Bologna, 2004.