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I get something like TF-IDF of training corpus in python with (something like) TfidfVectorizer. In test data some features (here are the words of test corpus, every word is a...
Asked on 08/22/2020 by Meysam
1 answeri'm new to machine learning and i'm looking for a worked example of regression problem being implemented with trace regression model which is a generalization of the well known linear...
Asked on 08/22/2020
0 answerdef hypothesis(W, B, X): Z = np.dot(W.T, X) + B return sigmoid(Z)def sigmoid(Z): return(1/(1+np.exp(-Z)))def cost(A, Y): return (-Y * np.log(A) - (1 - Y) *...
Asked on 08/21/2020 by IDK
1 answerI was trying to do class balancing on the image semantic segmentation problem for some classes in the images are in the minority. The weight for each class is calculated...
Asked on 08/21/2020 by GoC
0 answerI'm using Rstudio. I have a list like below, I want to find all the numbers that are bigger than the next numbers (i.e. numbers on their right hand, I...
Asked on 08/21/2020 by Ellen Sheldon
1 answerI have been taught to check correlation matrix before going for any algorithm.I have a few questions around the same:Pearson Correlation is for numerical variables only. What if...
Asked on 08/20/2020
3 answerThe context of the problem is A/B testing of two new versions of a game. I have a structured dataset (50000 rows x 22 columns) from the game designers that...
Asked on 08/20/2020 by Pradical2190
0 answerI'm trying to write a program in python that takes in list of all stocks on different exchanges and filters them out according to multiple criteria (e.g. marketcap has to...
Asked on 08/19/2020 by Celina
0 answerI am sure this is a most common problem, but would like to know by experts on how to tackle it. Note that, I mostly deal with textual data (NLP...
Asked on 08/19/2020 by Sandeep Bhutani
2 answerI have a dataset which has the following columns : Document id, page numbers and labels.documentid pagenumbers ...
Asked on 08/19/2020 by siya m
0 answerGet help from others!
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