How to upload pandas, sqlalchemy package in lambda to avoid error “Unable to import module ‘lambda_function’: No module named ‘importlib_metadata’”?

I’m trying to upload a deployment package to my AWS lambda function following the article https://korniichuk.medium.com/lambda-with-pandas-fd81aa2ff25e. My final zip file is as follows: https://drive….

Lambda and vectorize in python

I’m learning data analysis while performing vectorized operation with lambda function it run at first but again run it shows error as TypeError: () takes 1 positional argument but 2 were …

How to write a function to fit data to a sum of N Gaussian-like peaks without explicitly defining the expression for every possible N?

I am trying to fit a progression of Gaussian peaks to a spectral lineshape. The progression is a summation of N evenly spaced Gaussian peaks. When coded as a function, the formula for N=1 looks like …

how to properly apply a vector based function to a pandas dataframe column?

I am trying to apply a function that returns an specific date in an specific format, however I am struggling to apply this function to a new pandas dataframe column. Here’s what I got so far: import …

How do I use python reduce function to fill NaN values

I have a dataframe with missing data in several columns. In some of these columns, say ‘Col_A’ to ‘Col_D’, I’d like to replace them with 0. I tried it this way: reduce(lambda x : df.fillna({x : 0}, …

Adding functions y(x) together in python – impossible?

I’m currently trying to solve an engineering problem where I need to solve relatively long differential equations, for which I’m using the method odeint from scipy. I changed my problem to more easy …

Factorial function using lambda

I am trying to implement the function below into one line of lambda code. def fac(num): num = int(num) if num > 1: return num * fac(num – 1) else: return 1 I have …

Pandas – iloc – comparing value to the cell below

For the following table: Using Pandas – I would like achieve the desired_output column, that is TRUE when the value below the current cell i different – otherwise FALSE. I have tried the following code – but error occurs. Answer

Avoiding Default Argument Value is Mutable Warning (PyCharm)

Code: def evaluate_fruit(fruits): for fruit in fruits: if fruit == “Apple”: print(“Good choice!”) else: print(“Meh its okay”) list_o_fruits = [“Apple”, “…

Using filter and lambda in a list of lists

I working with a list of lists. Each of those lists are the same — they contain title, url and some additional statistics (always in the same order). I would like to create a function find_title, which takes the wanted title and returns the whole list (with title, url and statistics). That’s my attempt However it doesn’t work, it returns nothing. That’s probably because x[0] denotes only the first element in the big list. How can it be fixed? Edit. That’s a part of ls: Answer You can directly extract the information from dataframe like this: