Faragó Csaba faragocsaba
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| library(shiny) | |
| shinyServer(function(input, output) { | |
| model <- reactive({ | |
| brushed_data <- brushedPoints(trees, input$brush1, xvar = "Girth", yvar = "Volume") | |
| if (nrow(brushed_data) < 2) { | |
| return(NULL) | |
| } | |
| lm(Volume ~ Girth, data = brushed_data) | |
| }) |