All Questions
Tagged with custom-function python
23 questions
1
vote
1
answer
206
views
Why does my PythonModel expect 3 arguments but only 2 are defined?
I try to create a PythonModel by
creating a class
log it using mlflow
The class looks like:
# Model wrapper class
class ModelWrapper(mlflow.pyfunc.PythonModel):
def __init__(self):
self.generator = ...
- 13
0
votes
1
answer
41
views
Python issue with fitting a custom function containing double integrals
I want to fit some data using a custom function which contains a double integral. a,b, and c are pre-defined parameters, and alpha and beta are two angles on which the function must be integrated.
...
0
votes
2
answers
135
views
Correlation Function syntax
Hello,
I'm attempting to develop a function that takes two expressions as inputs: the name of the platform (for instance, "PS2") and the kind of reviews (for instance, "critic score&...
1
vote
1
answer
135
views
Custom Function - string on Pandas columns
i am trying to apply the custome function on pandas dataframe and its not working.
it giving me an error
AttributeError: 'str' object has no attribute 'str'
def f_MI(DF):
if DF['AccNo'] == DF['...
- 23
0
votes
1
answer
1k
views
Error Saving & Loading Tensorflow/Keras Model With Custom Classes/Functions
I recently created a Tensorflow/Keras model with Keras Transformers. To do this, the custom PositionalEmbedding & TransformerEncoder classes were created and used to build the model architecture. ...
- 386
0
votes
1
answer
80
views
Write a function in Python to group by and generate a boxplot in python
Python novice here, In the dataframe below, I need assistance writing a function that does the following:
I: select columns year,state,dept, revenue(mil)
II: boxplot of revenue(mil) ~ dept for each ...
- 277
0
votes
0
answers
274
views
Make custom function with if-statement
I'm tring to make function with if statement. I want to change whichever df that is longer to sample to the other shorter df's length. But it doesn't work, throwing an error 'list index out of range'. ...
- 171
1
vote
1
answer
260
views
Pandas Custom Cumulative Calculation Over Group By in DataFrame
I am trying to run a simple calculation over the values of each row from within a group inside of a dataframe, but I'm having trouble with the syntax, I think I'm specifically getting confused in ...
- 19
0
votes
1
answer
91
views
Pandas custom function
I have a pandas dataframe like this:
Cust_ID
PROD_ID
Quantity
Price
Quantity
Price
Quantity
Price
31-12-2020
31-12-2020
01-01-2021
01-01-2021
02-01-2021
02-01-2021
123
abc
10
5
10
5.4
11
6
123
efg
50
...
0
votes
2
answers
269
views
Defining a function in SymPy that takes a list as argument
I'm currently building a "formula editor" in a GUI application in python.
I use sympy to parse and check the validity of the typed formula, based on a dictionary of subs. No problem with ...
- 321
0
votes
1
answer
749
views
Custom function with multiple argument and one return value in map_fn for tensor object in Tensorflow
I have two tensors t1 and t2 (shape=(64,64,3), dtype=tf.float64). I want to execute a custom function "func" which takes two tensors as input and returns one new tensor.
@tf.function
def ...
- 327
0
votes
0
answers
1k
views
Create Custom Loss Function in Catboost
I´m trying to create a customized loss function to use in Catboost. This is the function that I'm trying to implement:
class ErrorLoss(object):
def calc_ders_range(self, approxes, targets, weights)...
- 15
0
votes
1
answer
47
views
Assigning a file to a list
I have a program where I must store a file (included below) once the user specifies the name of the file. Then I must organize the contents of the file into a list and sift through the "survey ...
2
votes
1
answer
410
views
LightGBMRegressor Custom eval loss fuction return as list error for single output
I want to use custom eval function in my lightGBM model. My code is as follow:
X = df.loc[:, "VALUE_1":"TVALUE_33"]
y_true = df.loc[:, "VALUE_34"]
X_train, X_test, ...
- 81
0
votes
2
answers
1k
views
Python: Custom print function that prints function text
Python script:
text = "abcde"
print("text[::-1] : ", text[::-1])
print("text[5:0:-1] : ", text[5:0:-1])
Output:
text[::-1] : edcba
text[5:0:-1] : edcb
Can a custom ...
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