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Thread: Add a row per group and depending of values
Post: Add a row per group and depending of values
| Hello,
I have this dataframe (see capture 1).
And I 'd like to add one row per group of the Var_1 such as I have a new value Var_2=3. And the value in var_4 would be equal to (Var_5 value of the gro... |
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Menthix |
General Coding Help |
0 |
508 |
Mar-20-2023, 11:20 AM |
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Thread: plt.bar on two different Y axis
Post: plt.bar on two different Y axis
| Hello,
I have this data set :
Age Var 1 Var 2
17-31 ans 19565 11178
32-44 ans 19757 24011
45-54 ans 23885 45895
55-64 ans 29622 6... |
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Menthix |
General Coding Help |
1 |
925 |
Jun-20-2022, 03:32 PM |
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Thread: Check if a value is present in each group
Post: RE: Check if a value is present in each group
| (May-16-2022, 10:24 AM)Pedroski55 Wrote: Haha, what a wonderful thing the Internet is: instant answers
I could never have got to this on my own!
df['Result'] = df['Type'].isin(df.loc[df['Var1'].eq... |
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Menthix |
General Coding Help |
8 |
2,698 |
May-16-2022, 12:25 PM |
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Thread: Check if a value is present in each group
Post: RE: Check if a value is present in each group
| (May-16-2022, 01:01 AM)Pedroski55 Wrote: Caveat: I practically never use pandas, so my answer may not be too great.
I recently created some online polls to keep the students occupied. The csv file ... |
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Menthix |
General Coding Help |
8 |
2,698 |
May-16-2022, 08:27 AM |
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Thread: Check if a value is present in each group
Post: RE: Check if a value is present in each group
| I tried two things :
1) df['Result'] = df.groupby(df['ID']).apply(lambda x: np.where(df['Var1']==3,0,1))
It keeps running, but i'm pretty sure it won't work
2) df['Result'] = df['Var1'].groupby(df['... |
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Menthix |
General Coding Help |
8 |
2,698 |
May-16-2022, 08:03 AM |
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Thread: Check if a value is present in each group
Post: RE: Check if a value is present in each group
| Any idea ?
Thank you by advance for your responses |
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Menthix |
General Coding Help |
8 |
2,698 |
May-15-2022, 10:39 PM |
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Thread: Check if a value is present in each group
Post: RE: Check if a value is present in each group
| I havn't tried much...
I 'd like to combine df.groupby('ID') and np.where(df['V1']==3, 1, 0) but I don't think it's possible... |
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Menthix |
General Coding Help |
8 |
2,698 |
May-13-2022, 03:58 PM |
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Thread: Check if a value is present in each group
Post: Check if a value is present in each group
| Hi,
I have a dataframe with two columns : an 'ID' column and a column 'V1' with different values between 1 and 3.
I'd like to mark each ID with 1 if value 3 is present for this group and 0 otherwise... |
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Menthix |
General Coding Help |
8 |
2,698 |
May-13-2022, 03:42 PM |
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Thread: Plot several graphs on the same row
Post: Plot several graphs on the same row
| Hello,
Here is a code that I use to plot multiple boxplots at the same time :
for year in [2016,2017,2018,2019,2020,2021] :
plt.figure(figsize=(5,10))
sns.boxplot(
data=CR,
x... |
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Menthix |
General Coding Help |
1 |
1,031 |
Mar-18-2022, 09:19 AM |
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Thread: NaN when creating a new column...
Post: RE: NaN when creating a new column...
| (Mar-14-2022, 05:36 PM)menator01 Wrote: This link may help
https://stackoverflow.com/questions/2023...das-series
Sorry but it doesn't help. It doesn't match with my issue. |
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Menthix |
General Coding Help |
2 |
1,172 |
Mar-15-2022, 08:40 AM |
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Thread: NaN when creating a new column...
Post: NaN when creating a new column...
| Hi,
I'm trying to create a new column on a dataframe which counts the number of distinct elements of a variable (VAR2) according to the values of another (VAR1). Like this : df.groupby('VAR1')['VAR2'... |
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Menthix |
General Coding Help |
2 |
1,172 |
Mar-14-2022, 05:32 PM |
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Thread: .format function
Post: RE: .format function
| But i want to create 3 different DataFrame, exactly like the example i gave :
Table_2016=pd.read_pickle("./0_DATA/0_raw/Table_PM_2016.pkl")
Table_2017=pd.read_pickle("./0_DATA/0_raw/Table_PM_2017.pk... |
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Menthix |
General Coding Help |
6 |
1,672 |
Mar-10-2022, 05:03 PM |
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Thread: .format function
Post: RE: .format function
| I don't get it, how do I refer to the new tables. What are their names ? tables2016, tables2017, tables2018 ?
In that case, it doesn't seem to work |
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Menthix |
General Coding Help |
6 |
1,672 |
Mar-10-2022, 04:36 PM |
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Thread: .format function
Post: .format function
| Hello,
I'm trying to create 3 different tables on this model :
Table_2016=pd.read_pickle("./0_DATA/0_raw/Table_PM_2016.pkl")
Table_2017=pd.read_pickle("./0_DATA/0_raw/Table_PM_2017.pkl")
Table_201... |
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Menthix |
General Coding Help |
6 |
1,672 |
Mar-10-2022, 03:56 PM |
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Thread: Plot 3 variables
Post: RE: Plot 3 variables
| Any answer ?? What Paul suggested is not what i want at all. I think you are a good guy Paul but it 's not what i'd like. But you seem nice tho. |
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Menthix |
General Coding Help |
3 |
2,111 |
Nov-13-2021, 02:47 PM |
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Thread: Plot 3 variables
Post: RE: Plot 3 variables
| (Nov-08-2021, 04:50 PM)paul18fr Wrote: "matplotlib 3d bar plot" on google will help you
Nota: comédie Française (don't forget the last "e" **wink** )
Thanks for your reply Paul. Although, it's not... |
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Menthix |
General Coding Help |
3 |
2,111 |
Nov-08-2021, 05:08 PM |
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Thread: Plot 3 variables
Post: Plot 3 variables
| Hello,
I would like to make a plot according to 3 variables. I have a database that includes several theatrical performances at the Comédie-Français. The three variables in question are 'acts' (number... |
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Menthix |
General Coding Help |
3 |
2,111 |
Nov-08-2021, 01:50 PM |
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Thread: Subplot - Plotting 4 plots on the same row
Post: Subplot - Plotting 4 plots on the same row
| Hello !
I'd like to plot 4 plots on the same raw but I don't know how... I tried the command : plt.subplot(1,4,) but it doesn't seem to work.
You'll find the notebook on my GitHub (https://github.... |
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Menthix |
General Coding Help |
1 |
1,417 |
Nov-07-2021, 02:54 PM |
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Thread: Find the highest value of a list
Post: RE: Find the highest value of a list
| (Oct-29-2021, 10:38 AM)Gribouillis Wrote: When you write for x in [0, len(L)-1], x takes only two values: 0 and len(L)-1.
Thank you, the issue definitly came from here !
Works better now. |
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Menthix |
General Coding Help |
4 |
1,876 |
Oct-29-2021, 02:32 PM |
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Thread: Find the highest value of a list
Post: Find the highest value of a list
| Hello,
I'm trying to build a small program to find the highest value of a list. I tried this :
def nb_max(L):
maxi = L[0]
for x in [0,len(L)-1]:
if maxi<=L[x]:
maxi=... |
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Menthix |
General Coding Help |
4 |
1,876 |
Oct-29-2021, 10:25 AM |
