Python How to convert string to dataframe?

Python How to convert string to dataframe?

By : user3042594
Date : November 28 2020, 12:01 PM
I wish this help you I print string from telnet like this code. , We can take help of StringIO with some custom adjustments:
code :
s ="""Total AP information:
fault : fault           [1]

idle  : idle            [6]
nor   : normal          [245]
ExtraInfo : Extra information
P     : insufficient power supply
ID    MAC            Name              Group   IP             Type     State  STA Uptime          ExtraInfo
0     11cc-ffff-0000 TESTAB1        @ABC1 -              AP1234N        idle   0   -               -
1     11cc-ffff-0000 TESTAB2        @ABC2     AP1234N        nor    0   11D:6H:30M:28S  -
2     11cc-ffff-0000 TESTAB3        @ABC3     AP1234N        nor    3   11D:6H:30M:11S  -"""
from io import StringIO
  ID             MAC     Name  Group          IP     Type State  STA  \
1  0  11cc-ffff-0000  TESTAB1  @ABC1           -  AP1234N  idle  0.0   
2  1  11cc-ffff-0000  TESTAB2  @ABC2  AP1234N   nor  0.0   
3  2  11cc-ffff-0000  TESTAB3  @ABC3  AP1234N   nor  3.0   

           Uptime ExtraInfo  
1               -         -  
2  11D:6H:30M:28S         -  
3  11D:6H:30M:11S         -  

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Python: convert string [('a',0.2),('b',0.9),('a',0.4)] to dataframe

Python: convert string [('a',0.2),('b',0.9),('a',0.4)] to dataframe

By : Atanas Dimitrov
Date : March 29 2020, 07:55 AM
should help you out It sounds like you're looking to change the string into a pandas dataframe and then do some manipulations. I'd change the string to the following through some simple replaces and manual editing on the beginning and end of the string. You're escaping the punctuation except for the ends so that you can apply the eval() function.
code :
import pandas as pd

thisStr = eval('[(\'a\', 0.332), (\'d\', 0.43766), (\'b\', 0.3244), (\'b\', 0.76577), (\'a\', 0.863), (\'d\', 0.96789)]')

df = pd.DataFrame(thisStr)
df.rename(columns={0:'item', 1:'value'}, inplace=True)

# one approach to solving the problem of removing rows where
# item a has values less than 0.8.
mask = (df['item'] == 'a') & (df['value'] < 0.8)
df2 = df[~mask]
How to convert a string to a dataframe in Python

How to convert a string to a dataframe in Python

By : user7165113
Date : March 29 2020, 07:55 AM
it helps some times I use urlopen to acquire a string of data as follows.I want to convert the string to a data frame and reserve several columns, like state, AQI and so on. I do not know how to do it and want to seek advice from you. Thank you! , It seems you can use:
code :
from pandas.compat import StringIO
df = pd.read_csv(StringIO(response))
df = read_csv(URL)
Cannot convert object type to string; and then filter on that string; python pandas dataframe

Cannot convert object type to string; and then filter on that string; python pandas dataframe

By : user7656641
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Convert the MarketCap column into floats by first removing the dollar signs and then substituting B with e9 and M with e6. This should make it easy to use .astype(float) on the column to do the conversion.
code :
import pandas as pd
import numpy as np

url_nyse = "http://www.nasdaq.com/screening/companies-by-name.aspx?letter=0&exchange=nyse&render=download"
df = pd.DataFrame.from_csv(url_nyse)
df = df.drop(df.columns[[0, 1, 3, 6,7]], axis=1)

df = df.replace({'MarketCap': {'\$': '', 'B': 'e9', 'M': 'e6', 'n/a': np.nan}}, regex=True)
df.MarketCap = df.MarketCap.astype(float)

print(df[df.MarketCap > 5000000000].head(10))
           MarketCap             Sector                                         industry
MMM     1.419900e+11        Health Care                       Medical/Dental Instruments
WUBA    1.039000e+10         Technology  Computer Software: Programming, Data Processing
ABB     5.676000e+10  Consumer Durables                              Electrical Products
ABT     9.887000e+10        Health Care                            Major Pharmaceuticals
ABBV    1.563200e+11        Health Care                            Major Pharmaceuticals
ACN     9.388000e+10      Miscellaneous                                Business Services
AYI     7.240000e+09  Consumer Durables                                Building Products
ADNT    7.490000e+09      Capital Goods                                Auto Parts:O.E.M.
AAP     7.370000e+09  Consumer Services                           Other Specialty Stores
ASX     1.083000e+10         Technology                                   Semiconductors
Python convert list to string in the dataframe

Python convert list to string in the dataframe

By : user2489875
Date : March 29 2020, 07:55 AM
this will help You could use a list comprehension to generate a new list with the rows in id joining those entries that are lists using string.join. You can check if an entry is a list using isinstance:
code :
df['id'] = [','.join(i) if isinstance(i, list) else i for i in df['id']]
       Name                    id
0  ['John Smith']          A1005,A1006
1    ['Jane Doe']        A200,A400,A500
How to convert dataframe to string in Python

How to convert dataframe to string in Python

By : user3071823
Date : December 25 2020, 08:30 AM
wish help you to fix your issue It looks like your firstLpnTime is nested within an array.
So, you can try taking first index from this variable and then casting it using pandas.
code :
firstLpnTime = pd.to_datetime(firstLpnTime[0]).round('20T')
DatetimeIndex(['2019-07-26 15:00:00'], dtype='datetime64[ns]', freq=None)
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