africa

DATA ANALYSIS

the study of data analysis are catagorised four branches

• DESCRIPTIVE
• DIAGNOSTIC
• PRDICTIVE
• PRESCRIPTIVE

DESCRIPTIVE STATISTICS

There are five measuremensts of descriptive statistics :-

1. M CENTRAL TENDENCY
2. M DISPERSION OR * VARIATION*
3. M OF POSITION OR * LOCATION*
4. M OF SHAPE
5. M OF FREQUENCY

THERE ARE SIX BASICS OF M CENTRAL TENDENCY :-

MEAN, MODE, MEDIAN RANGE,MID RANGE, MINIMUM

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))