Shape questions

Shape answers

• How to save the coefficients for each optim iteration?
• Adding background image to Shiny NavBarPage
• download rpivotTable output in shiny
• How to do non-equi join with variable column name
• R Shiny - Continuous background task
• Break data.table chain into two lines of code for readability
• Difference between varImp (caret) and importance (randomForest) for Random Forest
• Adding a company Logo to ShinyDashboard header
• Alternative to for loop with "dynamic" variables with R
• Overlapping points and text with plotly in Rshiny