This is my first blog post. In this blog site, I would like to share my understanding of some data analytics method and will also share some analysis done on publicly available data. Along the way I would like to share my experience of taking the analytics related courses at coursera.org & edx.org. Hope you will enjoy ! Today I start by sharing my understanding of a concept called bootstrapping. Bootstrapping is basically used to estimate the important parameters of population when only a small sample of the population is available. Example - Suppose we have a sample of 1000 nos. from the entire population of the nos. We don't know the characteristics of the population. However using these 1000 nos. we try to estimate the characteristics of the population. I will use R language to illustrate the concept. At first I generate 1000 random numbers from uniform distribution (min=0,max=100) using the code x<-runif(1000,0,100) The histo...