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1 1 vote
1 answers 1 answer
2.0k
2.0k views
What are the best tools and resources for learning programming?
I am wondering if anyone can suggest the best resources and tools for learning programming?
10 10 votes
2 answers 2 answers
4.9k
4.9k views
How to use LinkedIn Learning (formerly Lynda.com) for free?
I heard some people use Lynda.com resources for free. Could someone let me know how does it work?
2 2 votes
1 answers 1 answer
20.9k
20.9k views
How to calculate k-means clustering with a numerical example?
Use the k-means algorithm and Euclidean distance to cluster the following 8 examples into 3 clusters:$A1=(2,10), A2=(2,5), A3=(8,4), A4=(5,8), A5=(7,5), A6=(6,4), A7=(1,2...
2 2 votes
1 answers 1 answer
4.9k
4.9k views
How to calculate the class probabilities and classify using Naive Bayes classifier for NLP?
We want to use Naive Bayes for tagging documents. It is a classification task that we want to assign a class (tag) to each string. We currently have two tags: Sport and N...
2 2 votes
1 answers 1 answer
20.4k
20.4k views
How to calculate Covariance Matrix and Principal Components for PCA?
The dataset with two features $(x,y)$ is shown as follows (note $y$ in this example is the second feature, not a target value):xy2.52.40.50.72.22.91.92.23.13.02.32.72.01....
5 5 votes
1 answers 1 answer
9.1k
9.1k views
How to calculate convolutions on a CONV layer for a Convolutional Neural Network?
Assume we have a $5\times5$ px RGB image with 3 channels respectively for R, G, and B. IfR2000012001201021210101020G0212211100002202002002111B0100111201102021011012112 We...
0 0 votes
1 1 answer
2.9k
2.9k views
What is the difference between cross-validation and validation set?
I am confused about this figure. Is not this a cross-validation test or we have a fixed few examples for which it is tested while you also have various folds being tested...
1 1 vote
1 1 answer
9.4k
9.4k views
In DBSCAN algorithm, how should we choose optimal eps and minimum points?
1 1 vote
0 0 answers
424
424 views
Using aggregate data to generate observation-level data statistically sound?
Context: In the realm of Paid Search Marketing. Current reporting does not provide event level data only aggregate totals with different segments. Want to compare distri...
1 1 vote
0 0 answers
834
834 views
What loss function to use in CNN-SVM model
I am using Matlab R2018b and am trying to infuse SVM classifier within CNN. My plan is to use CNN only as a feature extractor and use SVM as the classifier. I know people...
1 1 vote
1 1 answer
534
534 views
What are the available libraries for continuous time hidden markov models ?
2 2 votes
2 2 answers
10.5k
10.5k views
How to optimize weights in Logistic Regression?
The hypothesis (model) of Logistic Regression which is a binary classifier ( $y =\{0,1\} $) is given in the equation below:Hypothesis$S(z)=P(y=1 | x)=h_{\theta}(x)=\frac{...
0 0 votes
1 1 answer
708
708 views
What are some best features of Python3 in comparison to Python2?
Python3 and Python2 seems so similar, and the only changes which are obvious are some changes in functions such as print that now needs parentheses. Are there other impro...
1 1 vote
1 1 answer
564
564 views
What is the best approach for learning Web Development? Hands-On vs Theoretical?
0 0 votes
1 1 answer
1.8k
1.8k views
Could you please explain math symbols behind Machine Learning equations?
1 1 vote
1 1 answer
779
779 views
How do I Plot the linear classifier calculated with LIBLINEAR using sklearn?
Make a scatter plot where the x-axis is the height of the citizens and the y-axis is the weight of the citizens. The color of the points need to be different for males an...
1 1 vote
1 1 answer
641
641 views
What are the best resources you know for learning web programming?
1 1 vote
1 1 answer
593
593 views
is impossible predict hours time series to minutes time series?
https://stackoverflow.com/questions/55930051/is-impossible-predict-hours-time-series-to-minutes-time-series i want to this hours time series predict model to minute predi...
1 1 vote
0 0 answers
966
966 views
how can i convert LSTM model to linear regression model?
Here is LSTM predict model and i want to convert Linear Regression.... model.fit(x_train, y_train, epochs=10, batch_size=16) trainPredict = model.predict(x_train) testPre...
0 0 votes
1 1 answer
1.5k
1.5k views
How to convert equations in documents to LaTeX?
In Wikipedia, or any other document there are some math equations I am looking a simple way to convert to LaTeX. Is there any easy way for it?
3 3 votes
1 answers 1 answer
7.4k
7.4k views
How to update weights in backpropagation algorithm (a numerical example)?
Assume we have the following neural network and all activation functions are $f(z)=z$. If the weights are initialized with the values you see in table below, what will be...
0 0 votes
1 answers 1 answer
1.8k
1.8k views
How to calculate univariate linear regression?
For the following dataset, calculate the regression equation $\hat{y} = ax+b$datasetxy1423501075161002615036200
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