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Published: 17/06/2018I would greatly appreciate if you could let me know what to report in the following steps of CRISPDM? Build Model : what should be reported for parameter settings, models and model description? I use ... Read moreSource: datascience.stackexchange.com


Published: 17/06/2018I have a big data problem with a large dataset (take for example 50 million rows and 200 columns). The dataset consists of about 100 numerical columns and 100 categorical columns and a response column ... Read moreSource: datascience.stackexchange.com

Published: 17/06/2018I am working through Andrew Ng's Coursera course on machine learning and have completed the first exercise in both Matlab and Python. The automarker says that my Matlab solution is correct. This quest ... Read moreSource: datascience.stackexchange.com

Published: 17/06/2018def sigmoid( X ): sig= 1/(1+np.exp(1*X) ) return sig def FindCost(output,hypothesis): cost = output*1*np.log(hypothesis) + (1output)*1*np.log(1hypothesis) cost = np.sum(cost)/cost.shape[0] return ... Read moreSource: datascience.stackexchange.com

Published: 17/06/2018Here I have temperature time series panel data and I intend to run piecewise regression or cubic spline regression for it. To do so, I looked into plm package in R. Here is the general picture of my p ... Read moreSource: datascience.stackexchange.com

Published: 17/06/2018With $y=x*w+b$, where $x$ is the feature vector of a sample and $w$ is the weight vector, the update rule (SGD) for the bias $b$ is: $b \leftarrow b + \eta(o  y)$. With Gradient Descent, the final $b ... Read moreSource: datascience.stackexchange.com

Published: 17/06/2018I am trying to apply open() function in keras to use Google newsvectorsnegative300.bin which is a pretrained file via word2vec such as GloVe, but after downloading GloVe it contains 4 files with tx ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018My code is in jupiter notebook and my data set(400800mb) is present on google drive/dropbox. My task is to load the csv file from another server into my jupiter notebook. How can I achieve this? Shou ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018So I have looked at some of the literature on neural networks and read some chapters, but the learning curve is so steep that I have had trouble even getting started on designing the neural network to ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018I'm very new to machine learning & python in general and I'm trying to apply a Decision Tree Classifier to my dataset that I'm working on. I would like to use this model to predict the outcome aft ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018We know that L1 regularization is a way to do the parameter reduction, but I am wondering what's the mathematical proof of this? Thanks! Read moreSource: datascience.stackexchange.com

Published: 16/06/2018I am working on a textclustering problem. My goal is to create clusters with similar context, similar talk. I have around 40 million posts from social media. To start with I have written clustering u ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018Commenting on this post on the “80% power” lie, Roger Bohn writes: The low power problem bugged me so much in the semiconductor industry that I wrote 2 papers about around 1995. Variabilit ... Read moreSource: andrewgelman.com

Published: 16/06/2018I have some 1 dimensional data. Each record in the data is a specific time of the day. In order to cluster it I projected the data onto a circle of radius 1 unit. Now I need to find clusters in this d ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018My country, Malaysia, recently concluded the 14th General Election. The country has 10 states, and each states consist of parliamentary seats that that can categorized into urban, semiurban and rural ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018I have a question regarding Hyperparameter Optimization for a Machine Learning Algorithm. I try to fit a Support Vector Classifier and use HyperparameterTuning (but it could be also another classifie ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018I am from FIntech background. We have daily file import/export process. I was thinking can i do file validation using machine learning. I am new Machine learning please share ur thoughts Also let me k ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018I am confused about which anomaly detection techniques are outlierbased. Are the two categories of anomaly detection techniques " outlierbased techniques" and "nearestneighbors based" similar? Read moreSource: datascience.stackexchange.com

Published: 16/06/2018I am building an LSTM to recognize if the person is sad, happy, angry or neutral. This is done by feedingin his the wave of his voice into the network, as a sequence of bytes (each byte is 0to255). ... Read moreSource: datascience.stackexchange.com

Published: 16/06/2018In this post, I will illustrate the use of prediction intervals for the comparison of measurement methods. In the example, a new spectral method for measuring whole blood hemoglobin is compared with a ... Read moreSource: datascienceplus.com

Published: 16/06/2018Background Recall that $$\textrm{KL}[q(\theta) \rVert p(\theta  x)] = \int q(\theta) \log \dfrac{q(\theta)}{p(\thetax)} d\theta$$ It is equivalent to maximize the EBLO, aka, variational lower bound, ... Read moreSource: datascience.stackexchange.com
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