Dynamic min max values for inputslider R

[jcblum]

The immediate problem is that seq() is receiving something other than a single value for its from parameter — here supplied as input$slider[1]/100. You need to trace what exactly input$slider[1] delivers and why it's not as expected. I suspect the problem lies in what you're doing with minkaw and maxkaw, but since the code isn't runnable as provided, it's difficult to say for sure what's wrong.

You might take a look at our FAQ on Shiny debugging and Shiny reprex-ing:

Shiny debugging and reprex guide

Shiny issues can be challenging to resolve relative to other problems with your code or statistical methods. Shiny apps are often large, complex projects with interacting files. When seeking help from others it is considered polite to: First, do your best to work through RStudio's debugging tools to diagnose your issue on your own. Often those shiny logs and tracebacks are useful to others trying to help out. Second, strive to minimize the effort required to replicate your issue. You can do this with a reproducible example ("reprex"). Shiny Debugging Errors in Shiny code can be difficult to track down. If you don't know where your problem is coming from, you can track it down with some o…