convert pdf to png

Author: Naeemkh

docs/_images/example_w_1_covar.pdf

@@ -125,7 +125,7 @@ Number of iterations:  6
 
 It is important to note that the package ignores any data with missing values. As a result, number of data samples are different from the original data. We can also plot the covariate balance. 
 
-```{figure} figures/pdf/example_w_1_covar.pdf
+```{figure} figures/png/example_w_1_covar.png
 ---
 height: 600 px
 name: Covariate Balance
@@ -149,8 +149,7 @@ The `erf` object contains the estimated exposure-response function. The followin
 plot(erf)
 ```
 
-```{figure} figures/pdf/example_w_1_erf.pdf
-
+```{figure} figures/png/example_w_1_erf.png
 ---
 height: 400 px
 name: Exposure Response Function

docs/_images/example_w_1_covar.png

@@ -421,7 +421,7 @@ <h2>Matching with parametric GPS model<a class="headerlink" href="#matching-with
 </div>
 <p>It is important to note that the package ignores any data with missing values. As a result, number of data samples are different from the original data. We can also plot the covariate balance.</p>
 <div class="figure align-default" id="covariate-balance">
-<a class="reference internal image-reference" href="../_images/example_w_1_covar.pdf"><img alt="../_images/example_w_1_covar.pdf" src="../_images/example_w_1_covar.pdf" style="height: 600px;" /></a>
+<a class="reference internal image-reference" href="../_images/example_w_1_covar.png"><img alt="../_images/example_w_1_covar.png" src="../_images/example_w_1_covar.png" style="height: 600px;" /></a>
 </div>
 <p>Now, we can conduct the analysis using the pseudo population.</p>
 <div class="highlight-r notranslate"><div class="highlight"><pre><span></span><span class="nf">set.seed</span><span class="p">(</span><span class="m">168</span><span class="p">)</span>
@@ -437,8 +437,8 @@ <h2>Matching with parametric GPS model<a class="headerlink" href="#matching-with
 <div class="highlight-r notranslate"><div class="highlight"><pre><span></span><span class="nf">plot</span><span class="p">(</span><span class="n">erf</span><span class="p">)</span>
 </pre></div>
 </div>
-<div class="figure align-default">
-<img alt="../_images/example_w_1_erf.pdf" src="../_images/example_w_1_erf.pdf" />
+<div class="figure align-default" id="exposure-response-function">
+<a class="reference internal image-reference" href="../_images/example_w_1_erf.png"><img alt="../_images/example_w_1_erf.png" src="../_images/example_w_1_erf.png" style="height: 400px;" /></a>
 </div>
 </div>
 </div>