Zach

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7,276 reputation
11757
bio website moderntoolmaking.blogspot.com
location San Francisco, CA
age 27
visits member for 2 years, 5 months
seen 6 hours ago
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I'm a data hacker! http://www.kaggle.com/users/6696/zach

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197 Answers

newest activity votes
21
Obtaining knowledge from a random forest
jan 21 '12 at 17:09
20
Detecting significant predictors out of 300 independent variables
aug 21 at 12:56
19
Software needed to scrape data from graph
aug 18 '11 at 5:14
17
What is your favorite “data analysis” cartoon?
may 5 '11 at 21:04
15
Algorithms for automatic model selection
jan 10 '12 at 13:18
12
Graphical data overview (summary) function in R
may 6 '11 at 15:35
12
How to choose between learning algorithms
mar 29 '11 at 15:52
9
Which machine learning algorithm should I use?
jun 10 at 23:10
9
What is the optimal $k$ for the $k$ nearest neighbour classifier on the Iris dataset?
jul 3 '12 at 16:50
8
Appropriate statistical test to test if probabilities are accurate
may 2 at 20:31
8
R vs SAS, why is SAS prefered by private companies?
aug 7 at 13:11
8
How to fit an ARIMAX-model with R?
nov 17 '11 at 15:04
8
What methods to use for statistical prediction/forecast of trading data?
aug 4 '11 at 14:29
7
Why is variable selection necessary?
nov 10 '11 at 22:29
7
Compendium of cross-validation techniques
aug 18 '11 at 16:12
7
What are modern, easily used alternatives to stepwise regression?
aug 1 '11 at 12:32
6
If you use 10-fold cross validation, which tree is representative?
mar 5 '12 at 20:30
6
Implementations of the Random Forest algorithm
nov 25 '11 at 2:07
6
Improving the SVM classification of diabetes
nov 10 '11 at 23:00
5
How to generate random auto correlated binary time series data?
aug 12 '11 at 18:05
5
Estimating same model over multiple time series
feb 17 '12 at 13:55
5
How can I be confident about my forecasts and improve my methodologies?
dec 8 '11 at 19:20
5
How auto.arima works?
nov 28 '11 at 20:54
5
Good practices when doing time series forecasting
oct 17 '11 at 16:55
5
Compare R-squared from two different Random Forest models
aug 4 '11 at 21:34
5
Should we compare the individual monthly forecasts with actual values?
may 24 '11 at 17:20
5
SVM kernels choose without tests
may 9 '11 at 14:21
5
Number of features vs. number of observations
may 6 '11 at 17:38
4
Basic question re PCA and dimensionality reduction
jun 4 at 21:21
4
How do I get better forecasts for this data
apr 18 at 13:29
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