回答編集履歴
2
test
CHANGED
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@@ -1,12 +1,16 @@
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1
1
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[Pandas](http://pandas.pydata.org/) の rolling window function の様なモノ。
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2
2
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```julia
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3
3
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n = 3 # window size
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4
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+
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5
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+
macro sma_val(idx)
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6
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:(sma(data_frame[$(esc(idx)), :B], n=n-1)[n-1])
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7
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+
end
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8
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+
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4
9
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function func(idx)
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5
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-
sma_val() = sma(data_frame[idx, :B], n=n-1)[n-1]
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6
10
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dfi = @view data_frame[idx, :]
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7
11
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ifelse(dfi[2, :C] == "A",
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8
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-
dfi[3, :B] > 0.5 && sma_val() > 0.3 && last(idx),
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12
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+
dfi[3, :B] > 0.5 && (@sma_val(idx)) > 0.3 && last(idx),
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9
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dfi[3, :B] > 0.3 && sma_val() > 0.1 && last(idx))
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13
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dfi[3, :B] > 0.3 && (@sma_val(idx)) > 0.1 && last(idx))
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10
14
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end
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11
15
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12
16
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list_folder = filter(x -> !iszero(x), [func(i:i+n-1) for i=1:nrow(data_frame)-n+1])
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1
test
CHANGED
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@@ -1,16 +1,14 @@
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1
1
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[Pandas](http://pandas.pydata.org/) の rolling window function の様なモノ。
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2
2
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```julia
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3
3
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n = 3 # window size
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4
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-
function fun
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4
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+
function func(idx)
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5
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-
idx = parentindices(dfi)[1]
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6
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-
sma_val = sma(data_frame[idx, :B], n=n-1)[n-1]
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5
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+
sma_val() = sma(data_frame[idx, :B], n=n-1)[n-1]
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7
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-
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6
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+
dfi = @view data_frame[idx, :]
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8
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-
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7
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+
ifelse(dfi[2, :C] == "A",
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9
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-
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8
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+
dfi[3, :B] > 0.5 && sma_val() > 0.3 && last(idx),
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10
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-
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9
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+
dfi[3, :B] > 0.3 && sma_val() > 0.1 && last(idx))
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11
10
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end
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12
11
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13
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-
list_folder = filter(x -> x > 0,
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14
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-
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12
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+
list_folder = filter(x -> !iszero(x), [func(i:i+n-1) for i=1:nrow(data_frame)-n+1])
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15
13
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println(list_folder)
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16
14
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```
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