x, y n=length(x) mean(x) std(x) hist(x,7) prctile(x,5) stairs(sort(x),(1:n)/n) normplot(x) qqplot(x,y) median(x) trimmean(x) iqr(x) median(abs(x-median(x))) x(random('unid',n,n,1000)) regress(y,[ones(n,1),x]) |
two data columns sample size sample mean sample standard deviation histogram with 7 bins 5% sample quantile empirical cdf normal probability plot QQ-plot median 10% trimmed mean interquartile range MAD 1000 samples resampled from x regression line y=a+bx |