[R] Help Creating a Stacked Bar Chart with Color Coding

2010-07-28 Thread Majonu
I have a data set of the following form: Johnson 4 Smith4 Smith2 Smith3 Garcia 1 Garcia 4 Rodriguez 2 Adams 2 Adams 3 Adams 4 Turner 4 Turner 3 And I'd like to create a stacked bar chart that has scores on the x-axis an

[R] Sample size calculation for non-normal population with unknown mean and SD

2010-07-26 Thread Majonu
Basically, we have a population of 4,392 documents and we want to find out the number of patents per document. We don’t want to go through all 4,392 documents, but want a reliable sample size from which to draw inferences. I feel like this count data will not follow a normal distribution, but more