Mercury is the only common metal which is liquid at ordinary temperatures. Mercury is sometimes called quicksilver. It is a heavy, silvery-white liquid metal. It is a rather poor conductor of heat if compared with other metals but it is a fair conductor of electricity. It alloys easily with many metals, such as gold, silver, and tin. These alloys are called amalgams.
describe big data, so that you can speak intelligently about it when asked. So probably the main thing to recognize is this notion of the three V's of big data, which are volume, velocity and variety.
Univariate, bivariate and multivariate are the various types of data that are based on the number of variables.Variables mean the number of objects that are under consideration as a sample in an experiment. Usually there are three types of data sets.These are;nivariate Data: Univariate data is used for the simplest form of analysis. It is the type of data in which analysis are made only based on one variable. For example, there are sixty students in class VII.