Merge pull request #40 from xiaoyuanf/master

finished task 3, skeleton of dashboard

scripts/app.R

@@ -0,0 +1,37 @@
+# author: Margot Chen, Qi Yang
+# date: 2020-03-23
+
+"This script is the main file that creates a Dash app.
+
+Usage: app.R
+"
+
+# Libraries
+
+library(dash)
+library(dashCoreComponents)
+library(dashHtmlComponents)
+library(ggplot2)
+library(plotly)
+library(tidyverse)
+
+app <- Dash$new()
+
+# Load the data here
+# TO DO
+
+
+
+
+# layout
+
+app$layout(
+  htmlDiv(
+      htmlH1(
+          "Beijing PM2.5 Data"
+            )
+          )
+)
+
+
+app$run_server(debug=TRUE)