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Questions by tofighi

3 3 votes
1 answers 1 answer
10.8k
10.8k views
How to calculate Softmax Regression probabilities?
The scatter plot of Iris Dataset is shown in the figure below. Assume Softmax Regression is used to classify Iris to Setosa, Versicolor, or Viriginica using just petal le...
3 3 votes
1 answers 1 answer
7.4k
7.4k views
How to calculate LogLoss in logistic regression?
The dataset of pass/fail in an exam for 5 students is given in the table below. If we use Logistic Regression as the classifier and assume the model suggested by the opti...
2 2 votes
1 answers 1 answer
13.3k
13.3k views
How to calculate probability in Logistic Regression?
The dataset of pass/fail in an exam for 5 students is given in the table below. If we use Logistic Regression as the classifier and assume the model suggested by the opti...
0 0 votes
1 1 answer
901
901 views
How to open Jupyter notebook files on Windows or Mac without web browser?
0 0 votes
2 answers 2 answers
1.1k
1.1k views
Who can write a recursive Python program for Fibonacci sequence 0,1,1,2,3,5,8,...?
Please also check if the fibo(7) = 8
1 1 vote
1 1 answer
1.1k
1.1k views
How to use Watson Assistant V2 in my nodejs code?
I wanted to use Watson Assistant V2 in my following nodejs code, but it cannot be found and gave me error.var AssistantV2 = require('watson-developer-cloud/assistant/v2')...
0 0 votes
1 1 answer
728
728 views
What is the best place to start working with IBM Watson Assistant?
0 0 votes
1 1 answer
1.8k
1.8k views
How to get academic license to access IBM cloud services?
1 1 vote
0 0 answers
559
559 views
How to measure the usability of your prototypes on mobile devices?
Q1) Please answer these questions:What are the best practices for UX surveys of a mobile application?How to collect data from users?Q2) Research about the following usabi...
0 0 votes
2 2 answers
1.0k
1.0k views
What are the best tools for creating a prototype for mobile applications?
Please provide a list of software you know for creating mobile application prototypes. Please include their pros and cons.
1 1 vote
1 answers 1 answer
3.6k
3.6k views
What is the difference between a batch and an epoch in a Neural Network?
Both of the batch size and number of epochs are integer values and seem to do the same thing in Stochastic gradient descent. What are these two hyper-parameters of this l...
0 0 votes
1 1 answer
606
606 views
What are basic steps for treating missing values?
0 0 votes
1 1 answer
597
597 views
What are the general steps in data cleaning?
0 0 votes
1 1 answer
586
586 views
How can you tell a Python library is a good one and useful?
If a big company such as Google behind it, with high probability it is a great library such as TensorFlow. But in general how can I found out?
1 1 vote
1 answers 1 answer
5.9k
5.9k views
How to force Jupyter Notebook to print all the variables in each cell, not just the last one?
0 0 votes
0 0 answers
438
438 views
How to use Ask Data Science! ?
This post is for providing the best practices for using Ask Data Science!
1 1 vote
1 1 answer
2.2k
2.2k views
What is the best roadmap to choose the right estimator in scikit-learn?
I am looking for a roadmap for choosing the right estimator in scikit-learn
1 1 vote
2 2 answers
2.2k
2.2k views
How to calculate the percentiles in statistics?
I have these series of numbers and I am wondering each one is how much percentile and also how to calculate a custom percentile such as 60th percentile? [1, 3, 5, 7, 9, 9...
2 2 votes
1 1 answer
3.4k
3.4k views
What are the Golden Rules of User Interface Design?
I am wondering if someone can explain the Golden Rules of Design by some examples.
1 1 vote
1 answers 1 answer
644
644 views
How to upload images on Ask Data Science! website?
I know I can attach pictures on Ask Data Science! (https://askdatascience.com), but I cannot upload. How can I upload image somewhere else and attach it here?
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