To run this shiny app:
install.packages("shiny", repos="https://cran.rstudio.com")
install.packages("imager", repos="https://cran.rstudio.com")
#shiny::runGitHub("thirdwing/mxnet_shiny")
#to avoid the path error
shiny::runGitHub("ZJUguquan/mxnet_shiny")