質問編集履歴
1
検証用のデータを追加させて頂きました。
test
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File without changes
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test
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@@ -66,6 +66,34 @@
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66
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67
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68
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69
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#ここから検証用
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70
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71
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library(quantmod)
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72
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73
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74
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75
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x <- {
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76
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77
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x.mat <- matrix(1:5, ncol = 1)
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78
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79
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rownames(x.mat) <- as.character(as.Date("2012-12-31") + 1:5)
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80
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81
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as.xts(x.mat)
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82
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83
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}
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84
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85
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y <- {
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86
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87
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x.mat <- matrix(10:6, ncol = 1)
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88
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89
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rownames(x.mat) <- as.character(as.Date("2012-12-31") + 1:5)
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90
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91
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as.xts(x.mat)
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92
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93
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}
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94
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95
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96
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69
97
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plot(x)
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70
98
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71
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par(new = T)
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