--- a/EdgeworthBox.R	Thu Oct 27 07:21:27 2022 +0900
+++ b/EdgeworthBox.R	Thu Oct 27 08:39:50 2022 +0900
@@ -1,4 +1,4 @@
-drawEdgeworthBox <- function(init_A=0.9, init_B=0.3, CC=TRUE, SHP=TRUE, I=TRUE, E=TRUE, CORE=TRUE){
+drawEdgeworthBox <- function(init_A=0.9, init_B=0.3, CC=TRUE, SHP=TRUE, IC_I=TRUE, IC_E=TRUE, CORE=TRUE){
     # 経済の財は合計1に固定し、かつそれぞれの配分の最小値を0.01とする
     modifyParam <- function(g){
         g <- max(0.01, g)
@@ -212,23 +212,23 @@
     }
 
     # 初期点を通る無差別曲線を描画
-    if(I) drawIDC(initial_goods, names=c(expression(U[1]^I), expression(U[2]^I)), IsCore=CORE)
+    if(IC_I) drawIDC(initial_goods, names=c(expression(U[1]^I), expression(U[2]^I)), IsCore=CORE)
 
     with(equilibrium, {
         # 均衡を通る無差別曲線を描画
-        if(E) drawIDC(goods, col=col, names=c(expression(U[1]^E), expression(U[2]^E)))
+        if(IC_E) drawIDC(goods, col=col, names=c(expression(U[1]^E), expression(U[2]^E)))
 
         xadj <- (par()$usr[2] - par()$usr[1])/50 # 文字表示の位置調整
         pch <- 21 # 点の形状（21:丸, 22:四角, 23:菱形, 24:三角，25:逆三角, etc...）
 
         # 初期配分を描画
-        if(I){
+        if(IC_I || SHP){
             points(initial_goods["person 1", "g/s A"], initial_goods["person 1", "g/s B"], pch=pch, col="blue", bg="blue")
             text(initial_goods["person 1", "g/s A"] + xadj, initial_goods["person 1", "g/s B"], expression(I), adj=c(0, 0))
         }
 
         # 競争均衡点を描画
-        if(E){
+        if(IC_E || SHP){
             points(goods["person 1", "g/s A"], goods["person 1", "g/s B"], pch=pch, col="black", bg="black")
             text(goods["person 1", "g/s A"] + xadj, goods["person 1", "g/s B"], expression(E), adj=c(0, 0))
         }

--- a/app.R	Thu Oct 27 07:21:27 2022 +0900
+++ b/app.R	Thu Oct 27 08:39:50 2022 +0900
@@ -19,10 +19,10 @@
                 min = 0.01,
                 max = 0.99,
                 value = 0.3),
-            checkboxInput("isI", "Initial Point", TRUE),
-            checkboxInput("isE", "Equilibrium", TRUE),
+            checkboxInput("isIC_I", "Indiffrent Curves pass through the Initial Point", TRUE),
+            checkboxInput("isCore", "Core", TRUE),
+            checkboxInput("isIC_E", "Indiffrent Curves pass through the Equilibrium", TRUE),
             checkboxInput("isSHP", "Separating Hyperplane", TRUE),
-            checkboxInput("isCore", "Core", TRUE),
             checkboxInput("isCC", "Contract Curve", TRUE)
         ), 
 
@@ -34,7 +34,7 @@
 
 server <- function(input, output) {
     output$distPlot <- renderPlot({
-        drawEdgeworthBox(input$A, input$B, CC=input$isCC, SHP=input$isSHP, I=input$isI, E=input$isE, CORE=input$isCore)
+        drawEdgeworthBox(input$A, input$B, CC=input$isCC, SHP=input$isSHP, IC_I=input$isIC_I, IC_E=input$isIC_E, CORE=input$isCore)
     }, width=400, height=400)
 }