confirm working on ubuntu
diff --git a/.Rproj.user/441ADA46/build_options b/.Rproj.user/441ADA46/build_options
new file mode 100644
index 0000000..7e9daa4
--- /dev/null
+++ b/.Rproj.user/441ADA46/build_options
@@ -0,0 +1,7 @@
+auto_roxygenize_for_build_and_reload="0"
+auto_roxygenize_for_build_package="1"
+auto_roxygenize_for_check="1"
+live_preview_website="1"
+makefile_args=""
+preview_website="1"
+website_output_format="all"
diff --git a/.Rproj.user/441ADA46/console06/INDEX001 b/.Rproj.user/441ADA46/console06/INDEX001
new file mode 100644
index 0000000..0637a08
--- /dev/null
+++ b/.Rproj.user/441ADA46/console06/INDEX001
@@ -0,0 +1 @@
+[]
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/cpp-definition-cache b/.Rproj.user/441ADA46/cpp-definition-cache
new file mode 100644
index 0000000..32960f8
--- /dev/null
+++ b/.Rproj.user/441ADA46/cpp-definition-cache
@@ -0,0 +1,2 @@
+[
+]
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/pcs/debug-breakpoints.pper b/.Rproj.user/441ADA46/pcs/debug-breakpoints.pper
new file mode 100644
index 0000000..5528aea
--- /dev/null
+++ b/.Rproj.user/441ADA46/pcs/debug-breakpoints.pper
@@ -0,0 +1,6 @@
+{
+ "debugBreakpointsState" : {
+ "breakpoints" : [
+ ]
+ }
+}
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/pcs/files-pane.pper b/.Rproj.user/441ADA46/pcs/files-pane.pper
new file mode 100644
index 0000000..60b1f16
--- /dev/null
+++ b/.Rproj.user/441ADA46/pcs/files-pane.pper
@@ -0,0 +1,13 @@
+{
+ "path" : "~/Documents/GitHub/posterdown",
+ "sortOrder" : [
+ {
+ "ascending" : false,
+ "columnIndex" : 1
+ },
+ {
+ "ascending" : true,
+ "columnIndex" : 2
+ }
+ ]
+}
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/pcs/source-pane.pper b/.Rproj.user/441ADA46/pcs/source-pane.pper
new file mode 100644
index 0000000..9efb51b
--- /dev/null
+++ b/.Rproj.user/441ADA46/pcs/source-pane.pper
@@ -0,0 +1,3 @@
+{
+ "activeTab" : -1
+}
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/pcs/windowlayoutstate.pper b/.Rproj.user/441ADA46/pcs/windowlayoutstate.pper
new file mode 100644
index 0000000..6189563
--- /dev/null
+++ b/.Rproj.user/441ADA46/pcs/windowlayoutstate.pper
@@ -0,0 +1,14 @@
+{
+ "left" : {
+ "panelheight" : 789,
+ "splitterpos" : 331,
+ "topwindowstate" : "HIDE",
+ "windowheight" : 828
+ },
+ "right" : {
+ "panelheight" : 789,
+ "splitterpos" : 496,
+ "topwindowstate" : "NORMAL",
+ "windowheight" : 828
+ }
+}
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/pcs/workbench-pane.pper b/.Rproj.user/441ADA46/pcs/workbench-pane.pper
new file mode 100644
index 0000000..b15bf23
--- /dev/null
+++ b/.Rproj.user/441ADA46/pcs/workbench-pane.pper
@@ -0,0 +1,6 @@
+{
+ "TabSet1" : 3,
+ "TabSet2" : 0,
+ "TabZoom" : {
+ }
+}
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/persistent-state b/.Rproj.user/441ADA46/persistent-state
new file mode 100644
index 0000000..46d69f2
--- /dev/null
+++ b/.Rproj.user/441ADA46/persistent-state
@@ -0,0 +1,8 @@
+build-last-errors="[]"
+build-last-errors-base-dir="~/Documents/GitHub/posterdown/"
+build-last-outputs="[{\"output\":\"==> R CMD INSTALL --preclean --no-multiarch --with-keep.source posterdown\\n\\n\",\"type\":0},{\"output\":\"* installing to library ‘/home/thornux/R/x86_64-pc-linux-gnu-library/3.5’\\n\",\"type\":1},{\"output\":\"* installing *source* package ‘posterdown’ ...\\n\",\"type\":1},{\"output\":\"** R\\n\",\"type\":1},{\"output\":\"** inst\\n\",\"type\":1},{\"output\":\"** byte-compile and prepare package for lazy loading\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** help\\n\",\"type\":1},{\"output\":\"*** installing help indices\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"** building package indices\\n\",\"type\":1},{\"output\":\"** testing if installed package can be loaded\\n\",\"type\":1},{\"output\":\"\",\"type\":1},{\"output\":\"* DONE (posterdown)\\n\",\"type\":1},{\"output\":\"\",\"type\":1}]"
+compile_pdf_state="{\"errors\":[],\"output\":\"\",\"running\":false,\"tab_visible\":false,\"target_file\":\"\"}"
+files.monitored-path=""
+find-in-files-state="{\"handle\":\"\",\"input\":\"\",\"path\":\"\",\"regex\":true,\"results\":{\"file\":[],\"line\":[],\"lineValue\":[],\"matchOff\":[],\"matchOn\":[]},\"running\":false}"
+imageDirtyState="0"
+saveActionState="0"
diff --git a/.Rproj.user/441ADA46/rmd-outputs b/.Rproj.user/441ADA46/rmd-outputs
new file mode 100644
index 0000000..3f2ff2d
--- /dev/null
+++ b/.Rproj.user/441ADA46/rmd-outputs
@@ -0,0 +1,5 @@
+
+
+
+
+
diff --git a/.Rproj.user/441ADA46/saved_source_markers b/.Rproj.user/441ADA46/saved_source_markers
new file mode 100644
index 0000000..2b1bef1
--- /dev/null
+++ b/.Rproj.user/441ADA46/saved_source_markers
@@ -0,0 +1 @@
+{"active_set":"","sets":[]}
\ No newline at end of file