# All Questions

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### How to fix a coefficient in an ordinal logistic regression without proportional odds assumption in R?

I want to do an ordinal logistic regression in R without the proportionality odds assumption. I know this can be done directly using vglm() function in ...
1k views

### How do I compare the quasi likelihood of two multi-level generalized estimating equation models?

With the log-likelihood chi-square statistics I can compare two linear mixed models (Maximum Likelihood) and see which one is the better one. But the GEE gives Quasi Likelihood under Independence ...
273 views

### Support vector machines and Granger causality

I was wondering if Granger causality would be an efficient tool for searching for relevant input data for an SVM system. For example if I want to forecast SP 500 returns, I could put in my input data ...
92 views

### Supervised classifier for events with missing data

I'm working on an experiment in which we try to sort events into three categories based on roughly 20 inputs using a feed-forward neural network (trained via backpropagation). Unfortunately, many ...
124 views

### Can we simply compare the predicted percentages of the outcome between studies?

I used the multinomial logistic regression to predict the percentages of students who voted 'acceptable', 'uncertain', and 'unacceptable' to natural ventilation use in three observed classrooms during ...
206 views

### Transferring to new domain

Suppose I have a set of characters with both natural scene and synthetic images, and another set with only synthetic images. I'd like to make a classifier which is trained on only on this data and ...
743 views

### Non-significant MANOVA with significant planned contrasts [duplicate]

Possible Duplicate: Not-significant F but a significant coefficient in multiple linear regression How can you have a non-significant multiple regression model w/ significant predictors? My ...
152 views

### What is/are good economic indicator(s) to use for predicting whether or not someone will leave a company?

BACKGROUND FIRST: I'm in the process of putting together one data file that includes various employee demograhic information for continuing employees and employees that have left the company in the ...
2k views

### Free database of historical events in database format? [closed]

Is there a free database of historical events that's in database format (ie, CSV or some other easily imported format)? I realize Wikipedia has extensive historical information, but it's not in ...
451 views

### Possible reason for failing to build a support vector machine

I was trying to build a classifier for a set of documents using a support vector machine. I choose to build the feature space using term occurrence. While experimenting, I found the following scenario:...