What is Gene Expression?

As you probably know, genes are transcribed to mRNA which is translated into protein.  Gene expression measures seek to determine how much of the gene is being used.  Currently, there are two major ways of analyzing gene expression data to determine the amount of gene...
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What Is Linear Regression?

Linear regression is the most simple way for making predictions on a data set.  Linear regression also assumes that data is relatively predictable, so there might be some issues with being able to completely predict the equation for a set of data.   The goal...
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What are Variance and Covariance?

Many machine learning algorithms are nothing more than measures of variance.  This is a very important concept which comes up with regard to machine learning topics.  Variance is used to measure the distance between one data point and the other in a statistical sense.  Each...
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