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Search Results
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Forum |
Replies |
Views |
Posted
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Thread: Assigning conditional values in Pandas
Post: RE: Assigning conditional values in Pandas
| Hi,
here is the complete code in github. It was written by someone years ago and I'm guessing there has been some changes to python since then.
https://github.com/minsuk-heo/kaggle-tit...tion.ipynb
... |
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Scott |
Data Science |
3 |
819 |
Dec-18-2023, 07:34 PM |
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Thread: Assigning conditional values in Pandas
Post: Assigning conditional values in Pandas
| Hi everyone,
I am playing around with some old code from online and am getting an error:
for dataset in train_test_data:
dataset.loc[ dataset['Age'] <= 16, 'Age'] = 0,
dataset.loc[(datase... |
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Scott |
Data Science |
3 |
819 |
Dec-14-2023, 09:25 PM |
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Thread: Difference one column in a dataframe
Post: Difference one column in a dataframe
| Hi everyone,
I have a dataframe (df2) with about 5 columns and I want to difference one column and keep the other columns. Do you know how I do that in python code.
df_differenced = df2.diff().dropn... |
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Scott |
General Coding Help |
0 |
642 |
Feb-10-2023, 08:41 AM |
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Thread: AR roots for VAR coefficients
Post: RE: AR roots for VAR coefficients
| (Nov-30-2022, 05:52 AM)Larz60+ Wrote: found this: https://towardsdatascience.com/arima-mod...fc7fb792f9
Don't know if it covers what you want.
Unfortunately that does not cover AR roots of the model... |
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Scott |
Data Science |
2 |
1,061 |
Nov-30-2022, 09:23 PM |
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Thread: AR roots for VAR coefficients
Post: AR roots for VAR coefficients
| Hi everyone,
Does anyone know if there is a python equivalent to this r code:
https://robjhyndman.com/hyndsight/arma-roots/
Thanks |
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Scott |
Data Science |
2 |
1,061 |
Nov-30-2022, 12:10 AM |
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Thread: Graphs from Jupyter notebook to word
Post: Graphs from Jupyter notebook to word
| Hi Everyone,
Is there an easier way to get graphs from Jupyter notebook to work? I have several graphs to transfer but when I copy paste the size is horrible and the colors are now faded (they weren'... |
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Scott |
General Coding Help |
0 |
888 |
Nov-28-2022, 06:16 AM |
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Thread: Loading an array into a matrix
Post: Loading an array into a matrix
| Hi everyone,
I am trying to load the output of my model into matrix. Below is the model output:
[array([[3.3480644, 2.6733143, 2.3946035, 1.651863 , 1.4944869, 1.4064457,
2.0166957, 2.75541... |
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Scott |
General Coding Help |
1 |
1,185 |
May-31-2022, 08:28 AM |
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Thread: Loop row and column + 1
Post: RE: Loop row and column + 1
| #build a 0 matrix to populate with LSTM output
def build_matrix(rows, cols):
matrix = []
for r in range(0, rows):
matrix.append([0 for c in range(0, cols)])
return matrix
LSTM_... |
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Scott |
General Coding Help |
3 |
1,386 |
May-22-2022, 10:48 AM |
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Thread: Loop row and column + 1
Post: Loop row and column + 1
| Hi everyone,
I've made an empty 24,31 (24 columns and 31 rows if I've done the numbers wrong) matrix with all 0. I've also created a loop that a model out puts a 1,8 array. I'd like the model output ... |
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Scott |
General Coding Help |
3 |
1,386 |
May-22-2022, 07:34 AM |
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Thread: Forecasting with ARIMAX
Post: Forecasting with ARIMAX
| Hi everyone,
I am trying to forecast GDP with an ARIMAX model but because it uses exogenous variables I cannot use the model to make forecasts because I don't have exogenous variables for future date... |
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Scott |
Data Science |
0 |
1,961 |
Jan-14-2022, 08:41 PM |
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Thread: Slicing a 2 dimensional array
Post: RE: Slicing a 2 dimensional array
| y_pred2 = y_pred[0:,8:16] |
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Scott |
General Coding Help |
2 |
1,663 |
Jan-12-2022, 06:33 AM |
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Thread: Slicing a 2 dimensional array
Post: Slicing a 2 dimensional array
| Hi guys,
I have the array below:
[[1.6727031 1.5464988 1.6836944 1.8492563 1.968533 2.2368639 2.6653275
2.7314425 2.8197284 2.969603 2.8251243 2.086564 2.274447 2.2914152
2.2962196 2.381342 ... |
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Scott |
General Coding Help |
2 |
1,663 |
Jan-12-2022, 06:16 AM |
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Thread: DSGE Models
Post: DSGE Models
| Hi guys,
I am wanting to test some modelling approaches for forecasting some timeseries data. I have an LSTM and would like to compare it to a DSGE model. Does anyone know of an econometrics library ... |
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Scott |
Data Science |
1 |
2,041 |
Aug-31-2021, 06:56 PM |
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Thread: Sum based on conditions
Post: RE: Sum based on conditions
| Thanks, I changed my code to the below and think I am closer:
sums['Meat'] = data([data['Harmonised System Code'].str.slice(0,3) == '2013'])[['Imports ($NZD cif)']].sum()
sums.head()I know get error:... |
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Scott |
General Coding Help |
3 |
2,077 |
Jan-12-2021, 04:38 AM |
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Thread: Sum based on conditions
Post: Sum based on conditions
| Hi Everyone,
I am trying to sum a column in a dataframe where the substring of another column is equal to a certain value.
My code is:
sums['Meat'] = data['Imports ($NZD cif)'].sum(axis=1).where(d... |
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Scott |
General Coding Help |
3 |
2,077 |
Jan-11-2021, 06:23 AM |
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Thread: Currency converter
Post: RE: Currency converter
| Thanks Paul,
I was able to solve the issue with this simple code:
exchange_rate = df[from_currency][to_currency]Regards |
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Scott |
General Coding Help |
5 |
2,997 |
Jun-14-2020, 11:59 PM |
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Thread: Currency converter
Post: RE: Currency converter
| Hi Paul,
I want this part:
FromCurrency_option = OptionMenu(root, variable1, *CurrencyCode_list)
ToCurrency_option = OptionMenu(root, variable2, *CurrencyCode_list)to reference the dataframe... |
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Scott |
General Coding Help |
5 |
2,997 |
Jun-14-2020, 08:07 AM |
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Thread: Currency converter
Post: Currency converter
| Hi everyone,
I found a exchange rate calculator online built in tkinter and am trying to update it to reference my dataframe exchange rate variables. Does anyone know how I can do that?
#Building a ... |
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Scott |
General Coding Help |
5 |
2,997 |
Jun-14-2020, 01:04 AM |
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Thread: XGboost Regressor output
Post: XGboost Regressor output
| Hi everyone,
I am running an XGBoost regressor model with a lot of independent variables. I want to get the model out put for each of the independent variables and the intercept. Does anyone know how... |
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Scott |
Data Science |
0 |
1,275 |
Mar-09-2020, 01:43 AM |
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Thread: Lime for regression interpretability
Post: RE: Lime for regression interpretability
| I cannot find anything in Scikit-learn that shows variables predicative power. Anyone else know?
On another note I can install lime on my personal computer. I think my work python has been compromise... |
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Scott |
Data Science |
5 |
2,925 |
Feb-14-2020, 06:59 PM |
