CiNii 図書 - Statistical methods in agriculture and experimental biology

This is an introductory text for scientists working in agriculture and experimental biology. It is appropriate for use as a textbook for undergraduate or postgraduate students of these subjects and includes all the basic statistical methods which are appropriate to the work of such scientists. The book also includes material on more advanced topics not usually discussed in an introductory text, including multiple regression, incomplete block experimental design, confounded and split-plot experimental designs, non-linear and log-linear models, and repeated measurements. The authors believe that research scientists should be aware of the potential benefits of these more advanced methods in their work. The second edition includes new material on the effective use of computers for statistical analysis, and shows how information is provided for, and obtained from, statistical packages. There is increased emphasis on the role of models in analyzing data, and on the flexibility provided by general linear model procedures in computer packages. There is also a new chapter on the analysis of multiple and repeated measurements. The book lays particular emphasis on the assumptions implicit in statistical methods and includes a chapter devoted solely to this important aspect. It also emphasizes the importance of designing experiments properly, particularly in using small, natural blocks and factorial treatment structure, and of using available resources efficiently. Throughout the book, the authors concentrate on the understanding needed for using statistical methods and for using statistical computer packages. The methods and the interpretation of results are illustrated by carefully described worked examples and further data sets are provided as exercises for the reader.

Probability and distributions
estimation and hypothesis testing
a simple experiment
control of random variation by blocking
particular questions about treatments
more on factorial treatment structure
the assumptions behind the analysis
studying linear relationships
more complex relationships
linear models
non-linear models
the analysis of proportions
models and distributions for frequency data
making and analyzing many experimental measurements
choosing the most appropriate design
sampling finite populations.

巻冊次: ISBN 9780412354809

内容説明

An introductory text for scientists working in agriculture and experimental biology, Statistical Methods in Agriculture and Experimental Biology includes all the basic statistical methods relevant to their work. Undergraduate and postgraduate majors in those subjects will find its information most essential to their studies. Material on more advanced topics- not usually discussed in an introductory text-focuses on multiple regression, incomplete block experimental design, confounded and split-plot experimental designs, non-linear and log-linear models, and repeated measurements. The authors believe that research scientists should be aware of the potential benefits of those more advanced methods in their work. Particular emphasis is placed upon the assumptions implicit in statistical methods: a full chapter is devoted to that important aspect. It also stresses the importance of designing experiments properly, particularly in using small, natural blocks and factorial treatment structure, and of using available resources efficiently, and extracting all information from the data.

Introduction The Need for Statistics The Use of Computers in Statistics Probability and Distributions Probability Populations and Samples Means and Variances The Normal Distribution Sampling Distributions Estimation and Hypothesis Testing Estimation of the Population Mean Testing Hypotheses About the Population Mean Population Variance Unknown Comparison of Samples A Pooled Estimate of Variance A Simple Experiment Randomization and Replication Analysis of a Completely Randomized Design With Two Treatments A Completely Randomized Design With Several Treatments Testing Overall Variation Between the Treatments Analysis Using a Statistical Package Control of Random Variation by Blocking Local Control of Variation Analysis of a Randomized Block Design Meaning of the Error Mean Square Latin Square Designs Analysis of Structured Experimental Data Using a Computer Package Multiple Latin Squares Designs The Benefit of Blocking and the Use of Natural Blocks Particular Questions About Treatments Treatment Structure Treatment Contrasts Factorial Treatment Structure Main Effects and Interactions Analysis of Variance for a Two-Factor Experiment Computer Analysis of Factorials More on Factorial Treatment Structure More Than Two Factors Factors With Two Levels The Double Benefit of Factorial Structure many Factors and Small Blocks The Analysis of Confounded Experiments Split Plot Experiments Analysis of a Split Plot Experiment The Assumptions Behind the Analysis Our Assumptions Normality Variance Homogeneity Additivity Transformations of Data for Theoretical Reasons A More General Form of Analysis Empirical Detection of the Failure of Assumptions and Selection of Appropriate Transformations Practice and Presentation Studying Linear Relationships Linear Regression Assessing the Regression Line Inferences About the Slope of a Line Prediction Using a Regression Line Correlation Testing Whether the Regression is Linear Regression Analysis Using Computer Packages More Complex Relationships Making the Crooked Straight Two Independent Variables Testing the Components of a Multiple Relationship Multiple Regression Possible Problems in Computer Multiple Regression Linear Models The Use of Models Models for Factors and Variables Comparison of Regressions Fitting Parallel Lines Covariance Analysis Regression in the Analysis of Treatment Variation Non-Linear Models Advantages of Linear and Non-Linear Models Fitting Non-Linear Models to Data Inferences About Non-Linear Parameters Exponential Models Inverse Polynomial Models Logistic Models for Growth Curves The Analysis of Proportions Data in the Form of Frequencies The 2 x 2 Contingency table More Than Two Situations or More Than Two Outcomes General Contingency Tables Estimation of Proportions Sample Sizes for Estimating Proportions Models and Distributions for Frequency Data Models for Frequency Data Testing the Agreement of Frequency Data With Simple Models Investigating More Complex Models The Binomial Distribution The Poisson Distribution Generalized Models for Analysing Experimental Data Log-Linear Models Probit Analysis Making and Analysing Many Experimental Measurements Different Measurements on the Same Units Interdependence of Different Variables Repeated Measurements Joint (Bivariate) Analysis Investigating Relationships With Experimental Data Choosing the Most Appropriate Experimental Design The Components of Design
Units and Treatments Replication and Precision Different Levels of Variation and Within-Unit Replication Variance Components and Split Plot Designs Randomization Managing With Limited Resources Factors With Quantitative Levels Screening and Selection Sampling Finite Populations Experiments and Sample Surveys Simple Random Selection Stratified Random Sampling Cluster Sampling, Multistage Sampling, and Sampling Proportional to Size Ratio and Regression Estimates References Appendix Index

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Statistical methods in agriculture and experimental biology

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