小编i2_*_*i2_的帖子

Pandas(Python):使用前一行值填充空单元格?

如果以数字开头,我想用前一行值填充空单元格.例如,我有

    Text    Text    
    30      Text    Text    
            Text    Text    
            Text    Text    
    31      Text    Text
    Text    Text    
    31      Text    Text    
            Text    Text    
            Text    Text    
    32      Text    Text
    Text    Text    
            Text    Text    
            Text    Text    
            Text    Text    
            Text    Text
Run Code Online (Sandbox Code Playgroud)

但是,我希望拥有

Text    Text    
30      Text    Text    
30      Text    Text    
30      Text    Text    
31      Text    Text
Text    Text    
31      Text    Text    
31      Text    Text    
31      Text    Text    
32      Text    Text
Text    Text    
        Text    Text    
        Text    Text    
        Text    Text    
        Text    Text
Run Code Online (Sandbox Code Playgroud)

我试图通过使用此代码达到此目的:

data = pd.read_csv('DATA.csv',sep='\t', dtype=object, error_bad_lines=False) …
Run Code Online (Sandbox Code Playgroud)

python python-3.x pandas

7
推荐指数
2
解决办法
1万
查看次数

Google Colaboratory:导入数据,超出堆栈大小?

我正在尝试使用此代码从文件夹中导入数据

from google.colab import files

uploaded = files.upload()

for fn in uploaded.keys():
  print('User uploaded file "{name}" with length {length} bytes'.format(name=fn, length=len(uploaded[fn])))
Run Code Online (Sandbox Code Playgroud)

但是它给了我这个错误:

Traceback (most recent call last) <ipython-input-7-3ff52e25531b> in <module>()
      1 from google.colab import files
      2 
----> 3 uploaded = files.upload()
      4 
      5 #for fn in uploaded.keys():

/usr/local/lib/python3.6/dist-packages/google/colab/files.py in upload()
     70     result = _output.eval_js(
     71         'google.colab._files._uploadFilesContinue("{output_id}")'.format(
---> 72             output_id=output_id))
     73     if result['action'] != 'append':
     74       # JS side uses a generator of promises to process all of the files- some …
Run Code Online (Sandbox Code Playgroud)

python-3.x google-colaboratory

1
推荐指数
3
解决办法
3347
查看次数

标签 统计

python-3.x ×2

google-colaboratory ×1

pandas ×1

python ×1