6.14 XY

XY right

R figure

Code

h <- 500 
w <- 500 
grid.step <- 100

plot( c(0,w), c(0,h),  
     xaxs = "i",yaxs = "i",
     xaxt = "n", yaxt = "n",
     type = "n",
     xlab = "Negatives", ylab = "Positives")
     
gx <- grid.step
while (gx <= w) {
  abline(v = gx, col="gray", lty="dotted")
  gx <- gx + grid.step
}
gy <- grid.step
while (gy <= h) {
  abline(h = gy, col="gray", lty="dotted")
  gy <- gy + grid.step
}


x <- c(0,0,100,300,500,500)
y <- c(0,200,400,500,500,500)
col <- "red"
lines( x, y, lwd=5, type="o",col=col)

text( (x[1]+x[2])/2+10, (y[1]+y[2])/2-10, "XY",col=col)

text( (x[2]+x[3])/2-20, (y[2]+y[3])/2-0, "X-",col=col)

text( (x[3]+x[4])/2-10, (y[3]+y[4])/2+10, "-Y",col=col)

text( (x[4]+x[5])/2+10, (y[4]+y[5])/2-10, "--",col=col)


a <- c(0,100,300,500,500)
b <- c(0,400,500,500,500)
col <- "violet"
lines( a, b, lwd=3, type="o",col=col)

text( (a[1]+a[2])/2+10, (b[1]+b[2])/2-10, "X",col=col)

text( (a[2]+a[3])/2+10, (b[2]+b[3])/2-10, "Y\\X",col=col)

a <- c(0,100,300,500,500)
b <- c(0,200,500,500,500)
col <- "violet"
lines( a, b, lwd=3, type="o",col=col)

text( (a[1]+a[2])/2+10, (b[1]+b[2])/2-10, "X\\Y",col=col)

text( (a[2]+a[3])/2+10, (b[2]+b[3])/2-10, "Y",col=col)

Python figure

Code

import matplotlib.pyplot as plt
import numpy as np

h = 500
w = 500
grid_step = 100

fig, ax = plt.subplots(figsize=(6, 6))
ax.set_xlim(0, w)

(0.0, 500.0)

Code

ax.set_ylim(0, h)

(0.0, 500.0)

Code

ax.set_xticks([])

[]

Code

ax.set_yticks([])

[]

Code

for gx in range(grid_step, w + 1, grid_step):
    ax.axvline(x=gx, color='gray', linestyle='dotted')

for gy in range(grid_step, h + 1, grid_step):
    ax.axhline(y=gy, color='gray', linestyle='dotted')

x = [0, 0, 100, 300, 500, 500]
y = [0, 200, 400, 500, 500, 500]
ax.plot(x, y, color='red', linewidth=5, marker='o')
ax.text((x[0] + x[1]) / 2 + 10, (y[0] + y[1]) / 2 - 10, "XY", color='red')
ax.text((x[1] + x[2]) / 2 - 20, (y[1] + y[2]) / 2, "X-", color='red')
ax.text((x[2] + x[3]) / 2 - 10, (y[2] + y[3]) / 2 + 10, "-Y", color='red')
ax.text((x[3] + x[4]) / 2 + 10, (y[3] + y[4]) / 2 - 10, "--", color='red')

a = [0, 100, 300, 500, 500]
b = [0, 400, 500, 500, 500]
ax.plot(a, b, color='violet', linewidth=3, marker='o')
ax.text((a[0] + a[1]) / 2 + 10, (b[0] + b[1]) / 2 - 10, "X", color='violet')
ax.text((a[1] + a[2]) / 2 + 10, (b[1] + b[2]) / 2 - 10, "Y\\X", color='violet')

a = [0, 100, 300, 500, 500]
b = [0, 200, 500, 500, 500]
ax.plot(a, b, color='violet', linewidth=3, marker='o')
ax.text((a[0] + a[1]) / 2 + 10, (b[0] + b[1]) / 2 - 10, "X\\Y", color='violet')
ax.text((a[1] + a[2]) / 2 + 10, (b[1] + b[2]) / 2 - 10, "Y", color='violet')

ax.set_xlabel("Negatives")
ax.set_ylabel("Positives")

plt.show()

XY left

Code

graph TD;
    2["[2+, 0-]"];
    3["[2+, 1-]"];
    1["[4+, 1-]"];
    5["[1+, 2-]"];
    6["[0+, 2-]"];
    4["[1+, 4-]"];
    0["[5+, 5-]"];
    
    1 -->|"XY"| 2;
    1 -->|"X-"| 3;
    4 -->|"-Y"| 5;
    4 -->|"--"| 6;
    0 -->|"X"| 1;
    0 -->|"-"| 4;

graph TD;
    2["[2+, 0-]"];
    3["[2+, 1-]"];
    1["[4+, 1-]"];
    5["[1+, 2-]"];
    6["[0+, 2-]"];
    4["[1+, 4-]"];
    0["[5+, 5-]"];
    
    1 -->|"XY"| 2;
    1 -->|"X-"| 3;
    4 -->|"-Y"| 5;
    4 -->|"--"| 6;
    0 -->|"X"| 1;
    0 -->|"-"| 4;