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Statistics

K Means Clustering In R

K Means Clustering is used when the input data is unlabeled and we have to find hidden patterns or clusters in the data set unsupervised learning comes into the picture. In clustering what we do is given a data set we look for similarities…

Point Estimation

Point Estimation: So far we know that when the constants of a population (the parameters) are unknown, we estimate them by finding estimates based on the samples drawn from the same population. This method is called “estimation”. Now, since…

Dispersion

Dispersion Dispersion means the variability, spread in the data. Average gives a single representative of the data however reliability of average is more if dispersion is less. Consider the following example, suppose there are three…