0
votes
1answer
52 views

Constructing a measure versus using an interaction

My dataset is sports data and the outcome variable is wins in a season and I am trying to see the affect of the characteristics of the players on the team on this outcome. My question is, is it easier ...
0
votes
1answer
38 views

Analysis of a dataset and tool to get the incidence of an event

I have a dataset and I want to do statistical analysis: ...
1
vote
2answers
84 views

Visualizing two variables which have a very similar values

I have two columns of data, and would like to show their differences through the visualization approach. The current issue is that these two columns are in-fact very close to each other. In other ...
1
vote
1answer
687 views

Simple Multivariate Regression with Octave

For the last 2 months, I've been trying to do any kind of multivariate regression, but I haven't had much luck. I hear Octave is simpler and more intuitive for these kinds of tasks, so I thought I'd ...
7
votes
2answers
362 views

When do we combine dimensionality reduction with clustering?

I am trying to perform document-level clustering. I constructed the term-document frequency matrix and I am trying to cluster these high dimensional vectors using k-means. Instead of directly ...
0
votes
1answer
92 views

What metric should I use to determine a significant effect?

I am not a statistician and hope someone can point me towards the right direction. I have some time series data grouped into three classes like this: ...
2
votes
1answer
110 views

What is heavy hitter analysis?

I have some data on the number of times each of my machines turned off (due to an error) in a particular time period. There are about 6 different classes of machines being used to construct a total ...