Lognormal distribution between a specific range
Hello, I am trying to create a lognormal distribution using the 'lognrnd' command between 3000 and 10000 I want the distribution to be skewed to the right as that is the characteristic of lognormal distributions. I attempted several times to create the distribution using the mean and the standard deviation of the associated normal distribution spread between 3000 &10000 but when I plot the histogram of the generated lognormal distribution, the distribution still looks like a normal distribution without skewness.
Neeta Dsouza answered .
2025-11-20
Here is some code that does roughly what you asked for.
r = lognrnd(8.6,0.2,100000,1); figure histfit(r); skewness(r)
The red curve is the normal curve fit to the randomly generated data. The skew is evident, with a skewness of about 0.6.