Python Forum
Create dataframe through Dictionary in pandas
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Create dataframe through Dictionary in pandas
#1
Hi,

I have given below table and i want to create dataframe of this table using Dictionary:

          2019        2017        2015       2013      2011
qtr1      61000       44900       5000       5000      5000
qtr3      NaN         57000       5000       5000      5000
qtr4      NaN         59000       5000       5000      5000
qtr       NaN         NaN         NaN        NaN       NaN
I am using given below code but no luck :
import pandas as pd
df2 = { 2019 :{ 'qtr1':61000, } ,
        2017 :{ 'qtr1':44900,'qtr3':57000,'qtr4':59000},
        2015 :{ 'qtr1':5000,'qtr3':5000,'qtr4':5000},
        2013 :{ 'qtr1':5000,'qtr3':5000,'qtr4':5000},
        2011 :{ 'qtr1':5000,'qtr3':5000,'qtr4':5000}
        }
ndf = pd.DataFrame(df2)
print(ndf)


How can i declare whole row of "qtr' as NaN here i am confused ?
Reply
#2
Append qtr somewhere to the dictionary, e.g.
2011 :{ 'qtr1':5000,'qtr3':5000,'qtr4':5000, 'qtr': None}.
Reply
#3
The following should probably do what you want.
import pandas as pd
df2 = { 2019 :{ 'qtr1':61000, } ,
        2017 :{ 'qtr1':44900,'qtr3':57000,'qtr4':59000},
        2015 :{ 'qtr1':5000,'qtr3':5000,'qtr4':5000},
        2013 :{ 'qtr1':5000,'qtr3':5000,'qtr4':5000},
        2011 :{ 'qtr1':5000,'qtr3':5000,'qtr4':5000}
        }
ndf = pd.DataFrame(df2)
ndf = ndf.append(pd.DataFrame(index=['qtr']))
print(ndf)
Output:
2011 2013 2015 2017 2019 qtr1 5000.0 5000.0 5000.0 44900.0 61000.0 qtr3 5000.0 5000.0 5000.0 57000.0 NaN qtr4 5000.0 5000.0 5000.0 59000.0 NaN qtr NaN NaN NaN NaN NaN
Reply


Possibly Related Threads…
Thread Author Replies Views Last Post
  Add NER output to pandas dataframe dg3000 0 68 Apr-22-2024, 08:14 PM
Last Post: dg3000
  HTML Decoder pandas dataframe column mbrown009 3 1,052 Sep-29-2023, 05:56 PM
Last Post: deanhystad
  Use pandas to obtain cartesian product between a dataframe of int and equations? haihal 0 1,126 Jan-06-2023, 10:53 PM
Last Post: haihal
  Pandas Dataframe Filtering based on rows mvdlm 0 1,442 Apr-02-2022, 06:39 PM
Last Post: mvdlm
  Pandas dataframe: calculate metrics by year mcva 1 2,325 Mar-02-2022, 08:22 AM
Last Post: mcva
  Pandas dataframe comparing anto5 0 1,270 Jan-30-2022, 10:21 AM
Last Post: anto5
  PANDAS: DataFrame | Replace and others questions moduki1 2 1,804 Jan-10-2022, 07:19 PM
Last Post: moduki1
  PANDAS: DataFrame | Saving the wrong value moduki1 0 1,557 Jan-10-2022, 04:42 PM
Last Post: moduki1
  update values in one dataframe based on another dataframe - Pandas iliasb 2 9,300 Aug-14-2021, 12:38 PM
Last Post: jefsummers
  empty row in pandas dataframe rwahdan 3 2,454 Jun-22-2021, 07:57 PM
Last Post: snippsat

Forum Jump:

User Panel Messages

Announcements
Announcement #1 8/1/2020
Announcement #2 8/2/2020
Announcement #3 8/6/2020