回答編集履歴
4
修正
answer
CHANGED
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@@ -12,11 +12,13 @@
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12
12
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csvreader = csv.reader(f)
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13
13
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14
14
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for row in csvreader:
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15
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+
row_0_value = float(row[0].replace(",", ""))
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16
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row_1_value = float(row[1].replace(",", ""))
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15
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-
row_0.append(
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17
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row_0.append(row_0_value)
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16
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-
row_1.append(
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18
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row_1.append(row_1_value)
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17
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-
row_01_multi.append(
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19
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row_01_multi.append(row_0_value*row_1_value)
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18
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-
row_0_square.append(
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20
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row_0_square.append(row_0_value**2)
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19
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-
row_1_square.append(
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21
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row_1_square.append(row_1_value**2)
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print(row)
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21
23
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22
24
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# ・row[0]の列の合計
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3
ご質問者様の意図をくんだコードに変更
answer
CHANGED
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@@ -1,25 +1,32 @@
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1
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-
scikit-learnを使えば簡単に算出できますよ
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2
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-
https://scikit-learn.org/stable/modules/generated/sklearn.metrics.r2_score.html
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3
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-
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4
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-
以下でインストールできます
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5
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-
pip install scikit-learn
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6
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-
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7
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-
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8
1
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```python
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9
2
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import csv
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10
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-
from sklearn.metrics import r2_score
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11
3
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12
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-
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4
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+
row_0 = []
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13
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-
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5
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+
row_1= []
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6
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row_01_multi = []
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7
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row_0_square = []
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8
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row_1_square = []
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14
9
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#データの読み込み
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15
10
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filename='test.csv'
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16
11
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with open(filename,'r',encoding='utf-8-sig')as f:
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17
12
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csvreader = csv.reader(f)
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18
13
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19
14
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for row in csvreader:
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20
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-
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15
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+
row_0.append(row[0])
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21
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-
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16
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row_1.append(row[1])
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17
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row_01_multi.append(row[0]*row[1])
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18
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row_0_square.append(row[0]**2)
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19
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row_1_square.append(row[1]**2)
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22
20
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print(row)
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23
21
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22
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# ・row[0]の列の合計
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23
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print(sum(row_0))
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24
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# ・row[1]の列の合計
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25
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print(sum(row_1))
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26
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# ・row[0]＊row[1]を計算し、その列の合計
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27
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print(sum(row_01_multi))
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28
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# ・row[0]^2を計算し、その列の合計
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24
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-
print(
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29
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print(sum(row_0_square))
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30
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# ・row[1]^2を計算し、その列の合計
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31
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+
print(sum(row_1_square))
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25
32
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```
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2
決定係数を出力するように修正
answer
CHANGED
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@@ -21,5 +21,5 @@
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21
21
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y_pred.append(row[1])
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22
22
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print(row)
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23
23
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24
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-
r2_score(y_true, y_pred)
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24
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+
print(r2_score(y_true, y_pred))
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25
25
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```
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1
修正
answer
CHANGED
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@@ -1,7 +1,25 @@
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1
1
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scikit-learnを使えば簡単に算出できますよ
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2
2
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https://scikit-learn.org/stable/modules/generated/sklearn.metrics.r2_score.html
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3
3
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4
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+
以下でインストールできます
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5
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+
pip install scikit-learn
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6
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+
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7
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+
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4
8
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```python
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9
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+
import csv
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5
10
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from sklearn.metrics import r2_score
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11
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+
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12
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+
y_true = []
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13
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+
y_pred= []
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14
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+
#データの読み込み
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15
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+
filename='test.csv'
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16
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+
with open(filename,'r',encoding='utf-8-sig')as f:
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17
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csvreader = csv.reader(f)
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18
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+
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19
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+
for row in csvreader:
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20
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y_true.append(row[0])
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21
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+
y_pred.append(row[1])
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22
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+
print(row)
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23
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+
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6
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-
r2_score(
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24
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+
r2_score(y_true, y_pred)
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7
25
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```
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