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R command for setting working directory to source file location in Rstudio
...s/proyect1").
Once you set that, you can navigate to a subdirectory: read.csv("DATA/mydata.csv"). Is the same as read.csv("D:/Documents/proyect1/DATA/mydata.csv").
If you want to navigate to a parent folder, you can use "../".
For example: read.csv("../olddata/DATA/mydata.csv") which is the same ...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...
This doesn't seem real clear. When importing a csv file how do you use this code?
– Dave
Sep 17 '19 at 15:13
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Having options in argparse with a dash
...help='Directory with .log and .log.gz files')
parser.add_argument('results-csv', type=argparse.FileType('w'),
default=sys.stdout,
help='Output .csv filename')
args = parser.parse_args()
print args
# gives
# Namespace(logs-dir='./', results-csv=<open file '...
UnicodeDecodeError, invalid continuation byte
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I had the same error when I tried to open a CSV file by pandas.read_csv
method.
The solution was change the encoding to latin-1:
pd.read_csv('ml-100k/u.item', sep='|', names=m_cols , encoding='latin-1')
...
Keep only date part when using pandas.to_datetime
...es to datetime.date or datetime64[D] so that, when I write the data to CSV, the dates are not appended with 00:00:00 . I know I can convert the type manually element-by-element:
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What is the better API to Reading Excel sheets in java - JXL or Apache POI [closed]
...PIs is simpler to read/write/edit excel sheets ?
Do these APIs not support CSV extensions ?
4 Answers
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程序员找女朋友的技术攻略：实战篇 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...等，你可以找一些对方可能会感兴趣的话题(比如购物、电影)，也可以说说自己的Homeworking。在搭讪的过程中，要不失自己的领袖气质，如果聊得投机，那么可以带着一起去散散步，玩玩桌球，喝喝咖啡，而且不要在第一次搭讪...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...实在太啰嗦，你只是想做一些备份文件、安装软件、下载数据之类的事情，学着使用sh，bash会是一个好主意。
shell只定义了一个非常简单的编程语言，所以，如果你的脚本程序复杂度较高，或者要操作的数据结构比较复杂，那...
Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...审查。昨天，我们中的48个人一共提交了187次代码，这个数据可以帮助你了解我们的提交规模。提交后审查制的好处在于，它将程序员从等待（预提交）代码审查中解放了出来，让他们能继续其他任务。代码审查员也能更好地规...
Import pandas dataframe column as string not int
I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
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