# data analysis

the study of data analsis is catogorised four main branches namely;

## descriptive analaysis

there are five different measurement used in context of descriptive analysis namely;

  1. measure of central tendency
  2. measure of dispertion or variation
  3. measure of position or location
  4. measure of shape
  5. measure of frequency

### measure of central tencency

there are six basic measurement of computation of central tendency including mean, mode, medium, minimum, midrange and maximum

data("AirPassengers")
summary(AirPassengers)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   104.0   180.0   265.5   280.3   360.5   622.0
hist(AirPassengers)

boxplot(AirPassengers)

plot(density(AirPassengers))