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--- b:r_cookbook:probability [2025/09/17 08:19] – [Plotting a Density Function] hkimscil
+++ b:r_cookbook:probability [2025/09/17 08:22] (current) – [Plotting a Density Function] hkimscil
@@ Line 318: / Line 318: @@
 </code>
-[{{:b:r_cookbook:pasted:20250917-081929.png}}|standard_normal_distribution}}]
+[{{:b:r_cookbook:pasted:20250917-081929.png|standard_normal_distribution}}]
-<code>> # The body of the polygon follows the density curve where 1 <= z <= 2
+<code>
-> region.x <- x[1 <= x & x <= 2]
+# The body of the polygon follows the density curve where 1 <= z <= 2
-> region.y <- y[1 <= x & x <= 2]
+region.x <- x[1 <= x & x <= 2]
->
+region.y <- y[1 <= x & x <= 2]
-> # We add initial and final segments, which drop down to the Y axis
-> region.x <- c(region.x[1], region.x, tail(region.x,1))
+# We add initial and final segments, which drop down to the Y axis
-> region.y <- c(          0, region.y,                0)
+region.x <- c(region.x[1], region.x, tail(region.x,1))
-> polygon(region.x, region.y, density=-1, col="red")
+region.y <- c(          0, region.y,                0)
+polygon(region.x, region.y, density=-1, col="red")
 </code>
+[{{:b:r_cookbook:pasted:20250917-082138.png|standard_normal_distribution}}]
-{{standard_normal_distribution_1-2.png|standard_normal_distribution}}