update workedExample.Rmd due to moving png files

Author: andybeet

vignettes/workedExample.Rmd

@@ -124,9 +124,9 @@ indexPPR::plot_mtl_index(MTL,epu)
 ```
 
 ```{r includeplots1, eval = T, echo = F, out.width='50%'}
-path <- system.file("extdata",package = "indexPPR")
-knitr::include_graphics(paste0(path,"/PPR-GOM-0.80.png"))
-knitr::include_graphics(paste0(path,"/MTL-GOM-0.80.png"))
+path <- here::here("vignettes","figures")
+knitr::include_graphics(paste0(path,"/PPR-GOM-0_80.png"))
+knitr::include_graphics(paste0(path,"/MTL-GOM-0_80.png"))
 knitr::include_graphics(paste0(path,"/PP-GOM.png"))
 ```
 
@@ -162,7 +162,7 @@ plot(speciesComp$plotObj)
 
 
 ```{r plotspeciescomp, echo = F, eval = T, out.width='80%'}
-knitr::include_graphics(paste0(path,"/composition-GOM-0.80.png"))
+knitr::include_graphics(paste0(path,"/composition-GOM-0_80.png"))
 ```