回答編集履歴
2
to_sはいらないでした
test
CHANGED
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@@ -24,7 +24,7 @@
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24
24
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25
25
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ave = (row[1].to_f + row[2].to_f) / 2
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26
26
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27
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-
f << (csvtable[i] << ave
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27
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+
f << (csvtable[i] << ave)
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28
28
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29
29
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i = i + 1
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30
30
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1
改行ミス
test
CHANGED
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@@ -1,6 +1,8 @@
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1
1
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こうすればいいかと
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2
2
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3
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+
```ruby
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4
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+
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3
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-
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5
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+
require "csv"
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4
6
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5
7
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infile = "sample.csv"
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6
8
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