sync code from and code for

ch01.jl

@@ -2,7 +2,7 @@
 
 # Codes for chapter 1
 
-# Code from section 1.2.1
+# Code for section 1.2.1
 
 function sum_n(n)
     s = 0
@@ -14,7 +14,7 @@ end
 
 @time sum_n(1_000_000_000)
 
-# Code from section 1.4
+# Code for section 1.4
 
 @time using Plots
 @time plot(1:10)

ch02.jl

@@ -160,13 +160,13 @@ x = 9.0
 y = x > 0 ? sqrt(x) : sqrt(-x)
 y
 
-# Code from listing 2.4
+# Code for listing 2.4
 
 for i in [1, 2, 3]
     println(i, " is ", isodd(i) ? "odd" : "even")
 end
 
-# Code from listing 2.5
+# Code for listing 2.5
 
 i = 1
 while i < 4
@@ -184,7 +184,7 @@ while true
     println(i, " is even")
 end
 
-# Code from listing 2.6
+# Code for listing 2.6
 
 x = -7
 x < 0 && begin
@@ -195,7 +195,7 @@ x < 0 && begin
 end
 x > 0 ? (println(x); x) : (x += 1; println(x); x)
 
-# Code from section 2.3.4
+# Code for section 2.3.4
 
 x = [8, 3, 1, 5, 7]
 k = 1
@@ -215,14 +215,14 @@ end
 s
 s / length(y)
 
-# Code from listing 2.7
+# Code for listing 2.7
 
 function times_two(x)
     return 2 * x
 end
 times_two(10)
 
-# Code from listing 2.8
+# Code for listing 2.8
 
 function compose(x, y=10; a, b=10)
     return x, y, a, b
@@ -233,7 +233,7 @@ compose(1; a=3)
 compose(1)
 compose(; a=3)
 
-# Code from listing 2.9
+# Code for listing 2.9
 
 times_two(x) = 2 * x
 compose(x, y=10; a, b=10) = x, y, a, b
@@ -242,7 +242,7 @@ compose(x, y=10; a, b=10) = x, y, a, b
 
 map(times_two, [1, 2, 3])
 
-# Code from listing 2.10
+# Code for listing 2.10
 
 map(x -> 2 * x, [1, 2, 3])
 
@@ -281,7 +281,7 @@ function winsorized_mean(x, k)
 end
 winsorized_mean([8, 3, 1, 5, 7], 1)
 
-# Code from section 2.5
+# Code for section 2.5
 
 function fun1()
     x = 1

ch03.jl

@@ -2,7 +2,7 @@
 
 # Codes for chapter 3
 
-# Code from section 3.1
+# Code for section 3.1
 
 methods(cd)
 
@@ -36,7 +36,7 @@ AbstractVector
 
 typejoin(typeof([1.0, 2.0, 3.0]), typeof(1:3))
 
-# Code from section 3.2
+# Code for section 3.2
 
 fun(x) = println("unsupported type")
 fun(x::Number) = println("a number was passed")
@@ -78,7 +78,7 @@ winsorized_mean(10, 1)
 winsorized_mean(1:10, -1)
 winsorized_mean(1:10, 5)
 
-# Code from section 3.3
+# Code for section 3.3
 
 module ExampleModule
 
@@ -117,7 +117,7 @@ using StatsBase
 ?winsor
 mean(winsor([8, 3, 1, 5, 7], count=1))
 
-# Code from section 3.4
+# Code for section 3.4
 
 @time 1 + 2
 

ch11.jl

@@ -16,7 +16,7 @@ x = [1.5]
 x[1] = 1
 x
 
-# Code from section 11.1.1
+# Code for section 11.1.1
 
 Matrix(walk)
 Matrix{Any}(walk)
@@ -27,7 +27,7 @@ plot(walk)
 
 plot(Matrix(walk); labels=["x" "y"] , legend=:topleft)
 
-# Code from section 11.1.2
+# Code for section 11.1.2
 
 Tables.columntable(walk)
 
@@ -67,7 +67,7 @@ unique(df)
 tab = Tables.columntable(df)
 unique(tab)
 
-# Code from section 11.1.3
+# Code for section 11.1.3
 
 Tables.rowtable(walk)
 
@@ -88,7 +88,7 @@ identity.(eachcol(walk))
 df = DataFrame(x=1:2, b=["a", "b"])
 identity.(eachcol(df))
 
-# Code from section 11.2
+# Code for section 11.2
 
 using CSV
 raw_data = """