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A question about how to read a csv file and output it

3

Hi! My environment are centos6.7, python3.7, and pymars0.9.0. When I run the demo you give in zhihu [https://www.zhihu.com/question/320961999](url) , something seems to be wrong. Here are my codes. I think...

qwerfdg

[BUG]miniconda3/lib/python3.9/uuid.py", line 186, in __init__ raise ValueError('bytes is not a 16-char string')

5

**Describe the bug** A clear and concise description of what the bug is. **To Reproduce** To help us reproducing this bug, please provide information below: 1. Your Python version 2....

gfkdliucheng

[BUG]Failed to run execute(wait=False) in another thread

1

**Describe the bug** execute(wait=False) failed when running in a thread pool ```Python import os import time import mars.tensor as mt import mars.dataframe as md import concurrent.futures def func(): df =...

VessaliusOz

[BUG] could not convert string to float

2

py3.7 pyodps[mars]==0.11 df = md.DataFrame(mt.random.rand(100000000, 4), columns=list('abcd')) print(df.sum().execute()) {ValueError}could not convert string to float: '\r\n\r\n\r\n\n\n\n\n \n \n \n 淘宝网 - 淘！我喜欢\n \n \n \n \n \n \n

zhangyuqi-1

**Issue Description:** Hello. I have discovered a performance degradation in the `read_csv` function of pandas version 1.3.4 when handling CSV files with a large number of columns. This problem significantly...

Alexia-I

## What do these changes do? Added support for classification report in mars learn ## Related issue number issue numeber #2733 Fixes #2733 ## Check code requirements - [ ]...

chaitanya-kolliboyina

Add support for {DataFrame,Series}.mode

1

## What do these changes do? Add support for {DataFrame,Series}.mode. ## Related issue number Fixes #1346 ## Check code requirements - [x] tests added / passed (if needed) - [x]...

wjsi

Implements accessor for categorical types

1

## What do these changes do? Implements ``Series.cat`` accessor for categorical type. ## Related issue number Fixes #1122 ## Check code requirements - [x] tests added / passed (if needed)...

wjsi

[BUG] sort_values failed after using dropna

5

**Describe the bug** when I try to use sort_values(ignore_index=True) after dropna, it raises TypeError: ``` a = md.Series([1,3,2,np.nan,np.nan]) a.dropna().sort_values(ignore_index=True).execute() ``` but I can do it in pandas: ``` b =...

hoarjour

## What do these changes do? ## Related issue number Fixes #xxxx ## Check code requirements - [ ] tests added / passed (if needed) - [ ] Ensure all...

wjsi