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38 questions
Newest Active Bountied Unanswered
1 vote
3 answers
292 views

I'm a student who is currently learning Python and Java. I'm very interested to learn about data science and machine learning as well as deep learning. Which of Java and Python is more useful for me?
Charansaiponnada's user avatar
  • 11
0 votes
1 answer
62 views

I am doing the free interactive learn python tutorial, and I am on the first conditions lesson. The task was to make it so that every statement in the following code resolved true. The code below was ...
auditorchick's user avatar
  • 11
2 votes
1 answer
947 views

I want to generate a random numpy ndarray of 0 and 1. I want that the number of occurrences of 1 in every specific rowto range between 2 and 5. I tried:...
I Sui's user avatar
  • 57
2 votes
1 answer
2k views

I'm trying to create a new data frame that contains the row names and the first column of an existing data : i tried this ...
Anouar's user avatar
  • 23
0 votes
1 answer
55 views

I have recently came across a demo of for a software that's built on natural language processing and its job is to convert a text the user types on a Python interpreter such as Jupyter and the ...
SPARSE's user avatar
  • 115
0 votes
1 answer
287 views

I have measured concentrations of elements in a number of samples. Each concentration is an average of three measurements. Also the standard deviation of these measurements is recorded. I tried to ...
Katrijn Jongman's user avatar
  • 1
1 vote
0 answers
146 views

I have a list of credits, let's assume they are only two for ease: Credit #1 and credit #2: One has 3 months of payments missing and the other has 6 months left of payments. It would like to obtain a ...
Juan Esteban de la Calle's user avatar
  • 2,338
0 votes
1 answer
167 views

When I ask Wolfram Alpha to calculate $E[f(X)]$ where $f(x) = e^{-x^2}$ and $X \sim \mathcal{N}(1,4)$, it gives the result $$ E[f(X)] = \frac{1}{3\sqrt[9]{e}} \approx 0.29828, $$ and the following ...
Bertus101's user avatar
  • 123
9 votes
2 answers
2k views

I am currently a data scientist mostly doing NLP, and I do most of my work inPython. Since I didn't get a CS degree in undergrad, I've been limited to very high ...
gust's user avatar
  • 237
4 votes
3 answers
2k views

Can anybody suggest to me, where I can find example code for R language for BERT neural network for text mining tasks. All I can see are python examples, and I need R. https://github.com/google-...
user avatar
3 votes
1 answer
73 views

I am working in a small sales company. Started with making relatively easy, small, static reports in Excel, but then it was required to make a lot of highly-customizable and adaptable reports, that ...
Jay Shee's user avatar
  • 31
2 votes
2 answers
1k views

Hi I'd like to turn each non zero value of my selected columns to a 1 using mutate_at() ...
3nomis's user avatar
  • 541
0 votes
1 answer
266 views

When I do a prediction with my DNN clasifier I get a dictionary like this. ...
ItsYou's user avatar
  • 1
2 votes
3 answers
124 views

Why do I need to learn to program in python or Java and learn data structures? I can't think of a single thing statisticians/data scientists need to do that isn't built in as a package in R/stata.
user avatar
1 vote
1 answer
413 views

I'm new i data mining and R, and i'm working with a dataset and trying to remove the "white space" elements. i tried to create a function to do that. ...
JohanR's user avatar
  • 11

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