回答編集履歴
1
修正
test
CHANGED
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@@ -63,3 +63,71 @@
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63
63
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#7 17 18 4
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64
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65
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```
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66
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68
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---
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70
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71
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72
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73
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**【ちょっと間違っていたので修正】**
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74
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75
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timestampを残すにはこちらの方がよいかな
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76
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```Python
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80
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81
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import pandas as pd
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83
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import io
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84
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85
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86
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87
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data = """
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88
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timestamp,data1,data2,data3,data4,data5,data6,data7,data8
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90
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91
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aaa,1,2,3,4,5,6,7,8
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92
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bbb,11,12,13,14,15,16,17,18
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"""
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df = pd.read_csv(io.StringIO(data))
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print(df)
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103
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104
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105
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def f(data):
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106
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return pd.DataFrame(data.loc[:, 'data1':].values.reshape(4,2))
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108
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109
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110
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new_df = df.groupby('timestamp').apply(f).reset_index().rename(columns={'level_1':'CH'})
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new_df.CH += 1
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# timestamp CH 0 1
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#0 aaa 1 1 2
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#1 aaa 2 3 4
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120
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#2 aaa 3 5 6
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122
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#3 aaa 4 7 8
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124
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125
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#4 bbb 1 11 12
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#5 bbb 2 13 14
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#6 bbb 3 15 16
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#7 bbb 4 17 18
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132
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133
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```
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