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<li class="chapter" data-level="1" data-path="index.html"><a href="index.html"><i class="fa fa-check"></i><b>1</b> url: your book url like https://bookdown.org/yihui/bookdown</a>
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<li class="chapter" data-level="2" data-path="hello-bookdown.html"><a href="hello-bookdown.html"><i class="fa fa-check"></i><b>2</b> Hello bookdown</a>
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<li class="chapter" data-level="3.1" data-path="getting-started-with-r.html"><a href="getting-started-with-r.html#the-r-environment"><i class="fa fa-check"></i><b>3.1</b> The R Environment</a>
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<li class="chapter" data-level="3.1.1" data-path="getting-started-with-r.html"><a href="getting-started-with-r.html#overview-of-the-rstudio-interface"><i class="fa fa-check"></i><b>3.1.1</b> Overview of the RStudio Interface</a></li>
<li class="chapter" data-level="3.1.2" data-path="getting-started-with-r.html"><a href="getting-started-with-r.html#console-vs.-scripts-vs.-notebooks"><i class="fa fa-check"></i><b>3.1.2</b> Console vs. Scripts vs. Notebooks</a></li>
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<li class="chapter" data-level="4" data-path="data-management-in-r.html"><a href="data-management-in-r.html"><i class="fa fa-check"></i><b>4</b> Data Management in R</a></li>
<li class="chapter" data-level="5" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html"><i class="fa fa-check"></i><b>5</b> Connecting to and Accessing a PostgreSQL Database</a>
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<li class="chapter" data-level="5.1" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#introduction"><i class="fa fa-check"></i><b>5.1</b> Introduction</a></li>
<li class="chapter" data-level="5.2" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#setting-up-the-environment"><i class="fa fa-check"></i><b>5.2</b> Setting Up the Environment</a>
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<li class="chapter" data-level="5.2.1" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#installing-necessary-packages"><i class="fa fa-check"></i><b>5.2.1</b> Installing Necessary Packages</a></li>
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<li class="chapter" data-level="5.3" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#connecting-to-postgresql-using-rpostgres"><i class="fa fa-check"></i><b>5.3</b> Connecting to PostgreSQL (Using RPostgres)</a></li>
<li class="chapter" data-level="5.4" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#querying-data-from-postgresql"><i class="fa fa-check"></i><b>5.4</b> Querying Data from PostgreSQL</a>
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<li class="chapter" data-level="5.4.1" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#executing-a-query"><i class="fa fa-check"></i><b>5.4.1</b> Executing a Query</a></li>
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<li class="chapter" data-level="5.5" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#handling-errors-and-troubleshooting"><i class="fa fa-check"></i><b>5.5</b> Handling Errors and Troubleshooting</a></li>
<li class="chapter" data-level="5.6" data-path="connecting-to-and-accessing-a-postgresql-database.html"><a href="connecting-to-and-accessing-a-postgresql-database.html#conclusion"><i class="fa fa-check"></i><b>5.6</b> Conclusion</a></li>
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<li class="chapter" data-level="6" data-path="descriptive-statistics-and-visualisations.html"><a href="descriptive-statistics-and-visualisations.html"><i class="fa fa-check"></i><b>6</b> Descriptive Statistics and Visualisations</a></li>
<li class="chapter" data-level="7" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html"><i class="fa fa-check"></i><b>7</b> Survey Analysis in R</a>
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<li class="chapter" data-level="7.1" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#introduction-to-survey-data"><i class="fa fa-check"></i><b>7.1</b> Introduction to Survey Data</a>
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<li class="chapter" data-level="7.2" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#importing-and-preparing-survey-data"><i class="fa fa-check"></i><b>7.2</b> Importing and Preparing Survey Data</a>
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<li class="chapter" data-level="7.2.1" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#importing-spss-data"><i class="fa fa-check"></i><b>7.2.1</b> Importing SPSS Data</a></li>
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<li class="chapter" data-level="7.3" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#descriptive-analysis-of-survey-data"><i class="fa fa-check"></i><b>7.3</b> Descriptive Analysis of Survey Data</a>
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<li class="chapter" data-level="7.3.1" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#calculating-weighted-means-and-totals"><i class="fa fa-check"></i><b>7.3.1</b> Calculating Weighted Means and Totals</a></li>
<li class="chapter" data-level="7.3.2" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#frequencies-and-cross-tabulations"><i class="fa fa-check"></i><b>7.3.2</b> Frequencies and Cross-tabulations</a></li>
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<li class="chapter" data-level="7.4" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#working-with-the-srvyr-package"><i class="fa fa-check"></i><b>7.4</b> Working with the srvyr Package</a>
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<li class="chapter" data-level="7.4.1" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#creating-a-survey-design-object-with-srvyr"><i class="fa fa-check"></i><b>7.4.1</b> Creating a Survey Design Object with srvyr</a></li>
<li class="chapter" data-level="7.4.2" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#using-srvyr-for-descriptive-statistics"><i class="fa fa-check"></i><b>7.4.2</b> Using srvyr for Descriptive Statistics</a></li>
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<li class="chapter" data-level="7.5" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#weighting-survey-data"><i class="fa fa-check"></i><b>7.5</b> Weighting Survey Data</a>
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<li class="chapter" data-level="7.5.1" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#applying-weights"><i class="fa fa-check"></i><b>7.5.1</b> Applying Weights</a></li>
<li class="chapter" data-level="7.5.2" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#analysing-weighted-data"><i class="fa fa-check"></i><b>7.5.2</b> Analysing Weighted Data</a></li>
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<li class="chapter" data-level="7.6" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#practical-example-survey-data-analysis-workflow"><i class="fa fa-check"></i><b>7.6</b> Practical Example: Survey Data Analysis Workflow</a>
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<li class="chapter" data-level="7.6.1" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#step-1-import-data"><i class="fa fa-check"></i><b>7.6.1</b> Step 1: Import Data</a></li>
<li class="chapter" data-level="7.6.2" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#step-2-define-survey-design"><i class="fa fa-check"></i><b>7.6.2</b> Step 2: Define Survey Design</a></li>
<li class="chapter" data-level="7.6.3" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#step-3-descriptive-analysis"><i class="fa fa-check"></i><b>7.6.3</b> Step 3: Descriptive Analysis</a></li>
<li class="chapter" data-level="7.6.4" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#step-4-advanced-analysis-regression"><i class="fa fa-check"></i><b>7.6.4</b> Step 4: Advanced Analysis (Regression)</a></li>
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<li class="chapter" data-level="7.7" data-path="survey-analysis-in-r.html"><a href="survey-analysis-in-r.html#conclusion-1"><i class="fa fa-check"></i><b>7.7</b> Conclusion</a></li>
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<li class="chapter" data-level="8" data-path="inferential-statistics.html"><a href="inferential-statistics.html"><i class="fa fa-check"></i><b>8</b> Inferential Statistics</a></li>
<li class="chapter" data-level="" data-path="references.html"><a href="references.html"><i class="fa fa-check"></i>References</a></li>
<li class="chapter" data-level="9" data-path="regression-analysis.html"><a href="regression-analysis.html"><i class="fa fa-check"></i><b>9</b> Regression Analysis</a></li>
<li class="chapter" data-level="10" data-path="geographic-mapping-and-spatial-analysis.html"><a href="geographic-mapping-and-spatial-analysis.html"><i class="fa fa-check"></i><b>10</b> Geographic Mapping and Spatial Analysis</a></li>
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