回答編集履歴
3
d
test
CHANGED
|
@@ -44,15 +44,9 @@
|
|
|
44
44
|
|
|
45
45
|
|
|
46
46
|
|
|
47
|
-
data = pd.read_csv('data.txt', names=['Index', '
|
|
47
|
+
data = pd.read_csv('data.txt', names=['Index', 'X', 'Y', 'Z'])
|
|
48
|
-
|
|
49
|
-
|
|
50
|
-
|
|
51
|
-
# 51n % 51 == 0, 51n + 1 % 51 == 1
|
|
52
48
|
|
|
53
49
|
indices = (data.Index % 51 != 0) & (data.Index % 51 != 1)
|
|
54
|
-
|
|
55
|
-
|
|
56
50
|
|
|
57
51
|
extract = data[indices]
|
|
58
52
|
|
2
d
test
CHANGED
|
@@ -34,6 +34,8 @@
|
|
|
34
34
|
|
|
35
35
|
N行4列のCSVという前提です。
|
|
36
36
|
|
|
37
|
+
51n, 51n+1 行以外を抜き出す方法
|
|
38
|
+
|
|
37
39
|
|
|
38
40
|
|
|
39
41
|
```python
|
|
@@ -48,7 +50,7 @@
|
|
|
48
50
|
|
|
49
51
|
# 51n % 51 == 0, 51n + 1 % 51 == 1
|
|
50
52
|
|
|
51
|
-
indices = (data.Index % 51 =
|
|
53
|
+
indices = (data.Index % 51 != 0) & (data.Index % 51 != 1)
|
|
52
54
|
|
|
53
55
|
|
|
54
56
|
|
1
ss
test
CHANGED
|
@@ -25,3 +25,35 @@
|
|
|
25
25
|
print(extract)
|
|
26
26
|
|
|
27
27
|
```
|
|
28
|
+
|
|
29
|
+
|
|
30
|
+
|
|
31
|
+
## pandas の場合
|
|
32
|
+
|
|
33
|
+
|
|
34
|
+
|
|
35
|
+
N行4列のCSVという前提です。
|
|
36
|
+
|
|
37
|
+
|
|
38
|
+
|
|
39
|
+
```python
|
|
40
|
+
|
|
41
|
+
import pandas as pd
|
|
42
|
+
|
|
43
|
+
|
|
44
|
+
|
|
45
|
+
data = pd.read_csv('data.txt', names=['Index', 'A', 'B', 'C'])
|
|
46
|
+
|
|
47
|
+
|
|
48
|
+
|
|
49
|
+
# 51n % 51 == 0, 51n + 1 % 51 == 1
|
|
50
|
+
|
|
51
|
+
indices = (data.Index % 51 == 0) | (data.Index % 51 == 1)
|
|
52
|
+
|
|
53
|
+
|
|
54
|
+
|
|
55
|
+
extract = data[indices]
|
|
56
|
+
|
|
57
|
+
print(extract)
|
|
58
|
+
|
|
59
|
+
```
|