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Preface | p. xii |
Preface to the second edition | p. xv |
Introduction to Statistical Methods for Geography | p. 1 |
Introduction | p. 1 |
The Scientific method | p. 1 |
Exploratory and confirmatory approaches in geography | p. 4 |
Probability and statistics | p. 4 |
Probability | p. 4 |
Statistics | p. 5 |
Probability paradoxes | p. 6 |
Geographical applications of probability and statistics | p. 8 |
Descriptive and inferential methods | p. 13 |
The nature of statistical thinking | p. 14 |
Special considerations for spatial data | p. 15 |
Modifiable areal unit problem | p. 16 |
Boundary problems | p. 16 |
Spatial sampling procedures | p. 17 |
Spatial autocorrelation | p. 17 |
Structure of the book | p. 17 |
Datasets | p. 19 |
Mobile phone signal strength in Erie County, New York, US | p. 19 |
House sales in Tyne and Wear | p. 20 |
Descriptive Statistics | p. 23 |
Types of data | p. 23 |
Visual descriptive methods | p. 24 |
Measures of central tendency | p. 27 |
Measures of variability | p. 29 |
Other numerical measures for describing data | p. 30 |
Coefficient of variation | p. 30 |
Skewness | p. 31 |
Kurtosis | p. 31 |
Standard scores | p. 32 |
Descriptive spatial statistics | p. 32 |
Mean center | p. 32 |
Median center | p. 33 |
Standard distance | p. 34 |
Relative distance | p. 34 |
Illustration of spatial measures of central tendency and dispersion | p. 35 |
Angular data | p. 36 |
Descriptive statistics in SPSS for Windows 12.0 | p. 39 |
Data input | p. 39 |
Descriptive analysis | p. 39 |
Exercises | p. 41 |
Probability and Discrete Probability Distributions | p. 47 |
Introduction | p. 47 |
Sample spaces, random variables, and probabilities | p. 47 |
Binomial processes and the binomial distribution | p. 49 |
The geometric distribution | p. 53 |
The Poisson distribution | p. 55 |
The hypergeometric distribution | p. 59 |
Application to residential segregation | p. 61 |
Application to the space-time clustering of disease | p. 61 |
Binomial tests in SPSS for Windows 12.0 | p. 63 |
Exercises | p. 63 |
Continuous Probability Distributions and Probability Models | p. 69 |
Introduction | p. 69 |
The uniform or rectangular distribution | p. 69 |
The normal distribution | p. 72 |
The exponential distribution | p. 77 |
Summary of discrete and continuous distributions | p. 82 |
Probability models | p. 82 |
The intervening opportunities model | p. 84 |
A model of migration | p. 88 |
The future of the human population | p. 89 |
Exercises | p. 90 |
Inferential Statistics: Confidence Intervals, Hypothesis Testing and Sampling | p. 93 |
Introduction to inferential statistics | p. 93 |
Confidence intervals | p. 93 |
Confidence intervals for the mean | p. 93 |
Confidence intervals for the mean when the sample size is small | p. 96 |
Confidence intervals for proportions | p. 97 |
Hypothesis testing | p. 97 |
Hypothesis testing and one-sample z-tests of the mean | p. 97 |
One-sample t-tests | p. 101 |
One-sample tests for proportions | p. 103 |
Two-sample tests: differences in means | p. 105 |
Two-sample tests: differences in proportions | p. 108 |
Distributions of the random variable and distributions of the test statistic | p. 109 |
Spatial data and the implications of nonindependence | p. 111 |
Further discussion of the effects of deviations from the assumptions | p. 112 |
One-sample test of proportions: binomial distribution - assumption of constant or equal success probabilities | p. 113 |
One-sample test of proportions: binomial distribution - assumption of independence | p. 114 |
Two-sample difference of means test: assumption of independent observations | p. 115 |
Two-sample difference of means test: assumption of homogeneity | p. 117 |
Sampling | p. 117 |
Spatial sampling | p. 118 |
Sample size considerations | p. 119 |
Some tests for spatial measures of central tendency and variability | p. 122 |
One-sample tests of means in SPSS for Windows 12.0 | p. 124 |
Interpretation | p. 124 |
Two-sample t-tests in SPSS for Windows 12.0 | p. 125 |
Data entry | p. 125 |
Running the t-test | p. 125 |
Two-sample t-tests in Excel | p. 127 |
Exercises | p. 128 |
Analysis of Variance | p. 132 |
Introduction | p. 132 |
A note on the use of F-tables | p. 135 |
Illustrations | p. 135 |
Hypothetical swimming frequency data | p. 135 |
Diurnal variation in precipitation | p. 137 |
Analysis of variance with two categories | p. 138 |
Testing the assumptions | p. 138 |
Consequences of failure to meet assumptions | p. 138 |
The nonparametric Kruskal-Wallis test | p. 139 |
Illustration: diurnal variation in precipitation | p. 139 |
More on the Kruskal-Wallis test | p. 140 |
The nonparametric median test | p. 141 |
Illustration | p. 141 |
Contrasts | p. 142 |
A priori contrasts | p. 143 |
Implications for hypothesis tests when assumptions are not met | p. 144 |
Normality | p. 144 |
Homoscedasticity | p. 144 |
Independence of observations | p. 145 |
One-way ANOVA in SPSS for Windows 12.0 | p. 146 |
Data entry | p. 146 |
Data analysis and interpretation | p. 147 |
One-way ANOVA in Excel | p. 148 |
Exercises | p. 148 |
Correlation | p. 154 |
Introduction and examples of correlation | p. 154 |
More illustrations | p. 157 |
Mobility and cohort size | p. 157 |
Statewide infant mortality rates and income | p. 157 |
A significance test for r | p. 160 |
Illustration | p. 160 |
The correlation coefficient and sample size | p. 160 |
Spearman's rank correlation coefficient | p. 162 |
Additional topics | p. 162 |
The effect of spatial dependence on significance tests for correlation coefficients | p. 162 |
Modifiable area unit problem and spatial aggregation | p. 165 |
Correlation in SPSS for Windows 12.0 | p. 165 |
Illustration | p. 166 |
Correlation in Excel | p. 167 |
Exercises | p. 168 |
Introduction to Regression Analysis | p. 170 |
Introduction | p. 170 |
Fitting a regression line to a set of bivariate data | p. 173 |
Illustration: income levels and consumer expenditure | p. 175 |
Regression in terms of explained and unexplained sums of squares | p. 176 |
Illustration | p. 179 |
Assumptions of regression | p. 180 |
Standard error of the estimate | p. 181 |
Tests for beta | p. 181 |
Illustration | p. 181 |
Illustration: state aid to secondary schools | p. 182 |
Linear versus nonlinear models | p. 184 |
Regression in SPSS for Windows 12.0 | p. 186 |
Data input | p. 186 |
Analysis | p. 186 |
Options | p. 186 |
Output | p. 187 |
Regression in Excel | p. 187 |
Data input | p. 187 |
Analysis | p. 188 |
Exercises | p. 188 |
More on Regression | p. 192 |
Multiple regression | p. 192 |
Multicollinearity | p. 193 |
Interpretation of coefficients in multiple regression | p. 194 |
Misspecification error | p. 194 |
Dummy variables | p. 196 |
Dummy variable regression in a recreation planning example | p. 198 |
Multiple regression illustration: species in the Galapagos Islands | p. 200 |
Model 1: The kitchen-sink approach | p. 200 |
Missing values | p. 202 |
Outliers and multicollinearity | p. 204 |
Model 2 | p. 204 |
Model 3 | p. 206 |
Model 4 | p. 206 |
Variable selection | p. 208 |
Categorical dependent variable | p. 209 |
Binary response | p. 209 |
A summary of some problems that can arise in regression analysis | p. 213 |
Multiple and logistic regression in SPSS for Windows 12.0 | p. 213 |
Multiple regression | p. 213 |
Logistic regression | p. 213 |
Exercises | p. 218 |
Spatial Patterns | p. 222 |
Introduction | p. 222 |
The analysis of point patterns | p. 223 |
Quadrat analysis | p. 224 |
Nearest neighbor analysis | p. 228 |
Geographic patterns in areal data | p. 231 |
An example using a chi-squared test | p. 231 |
Moran's I | p. 232 |
Local statistics | p. 238 |
Introduction | p. 238 |
Local Moran statistic | p. 239 |
Getis' Gi statistic | p. 240 |
Finding Moran's I using SPSS for Windows 9.0 | p. 240 |
Exercises | p. 242 |
Some Spatial Aspects of Regression Analysis | p. 244 |
Introduction | p. 244 |
Added-variable plots | p. 245 |
Spatial regression: autocorrelated errors | p. 246 |
Spatially varying parameters | p. 247 |
The expansion method | p. 247 |
Geographically weighted regression | p. 248 |
Illustration | p. 249 |
Ordinary least squares | p. 250 |
Added-variable plots | p. 251 |
Spatial regression: autocorrelated errors | p. 253 |
Expansion method | p. 254 |
Geographically weighted regression | p. 255 |
Exercises | p. 256 |
Data Reduction: Factor Analysis and Cluster Analysis | p. 257 |
Introduction | p. 257 |
Factor analysis and principal components analysis | p. 257 |
Illustration: 1990 Census data for Erie County, New York | p. 258 |
Regression analysis on component scores | p. 262 |
Cluster analysis | p. 263 |
More on agglomerative methods | p. 266 |
Illustration: 1990 Census data for Erie County, New York | p. 266 |
Data reduction methods in SPSS for Windows 12.0 | p. 270 |
Factor analysis | p. 270 |
Cluster analysis | p. 271 |
Exercises | p. 273 |
Epilogue | p. 275 |
Statistical Tables | p. 277 |
Random digits | p. 277 |
Normal distribution | p. 279 |
Student's t-distribution | p. 280 |
Cumulative t-distribution | p. 281 |
F-distribution | p. 283 |
[chi superscript 2] distribution | p. 286 |
Mathematical Conventions and Notation | p. 287 |
Mathematical conventions | p. 287 |
Mathematical notation | p. 289 |
Review and Extension of Some Probability Theory | p. 293 |
Bibliography | p. 297 |
Index | p. 301 |
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