Al's interests

Al's posts

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Gradient Descent in #Rstats and in #Python: http://bit.ly/1QVRnkV

#Statistics

#MachineLearning

#DataScience

#Optimization

#Statistics

#MachineLearning

#DataScience

#Optimization

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I played with gradient descent in #Rstats. You might want to check it.

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Worth trying.

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My first entry on linear models using R.

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My first entry on linear models using R and Python.

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Hi, I just want to share my first entry on Linear Models using Python, R, and SAS.

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**R, Python, and SAS: Getting Started with Linear Regression**

Consider the linear regression model,

$$

y_i=f_i(\boldsymbol{x}|\boldsymbol{\beta})+\varepsilon_i,

$$

where $y_i$ is the response or the dependent variable at the $i$th case, $i=1,\cdots, N$ and the predictor or the independent variable is the $\boldsymbol{...

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