Author Archives: Vishal Sinha

Topics that we consider in business analytics are: Data Import Data Quality Data Manipulation Exploratory data analysis Data Visualization Data Mining a) Clustering b) Association analysis Model Building in R Demand forecasting    

There are different ways to import data in R depending on the source from which the data is to be imported. Few of the sources are listed below: 1)   Importing text and spreadsheets (read.table, sep, header, stringsasfactors) Cmd line method: … Continue reading →

1. Frequency distribution — For discrete data – can be represented in tabular and graphical. 2. Grouped frequency distribution— continuous data or discrete data having large number of observations and an extended range. 3. Cumulative frequency distribution 4. Stem leaf diagram 5. … Continue reading →