Africa

Data Analysis

the study of data anylysis is categorized under 4 main branches namely:

• Descriptive Statistics
• Diagnostic Statistics
• Predictive Statistics
• Prescriptive Statistics

Descriptive Analytics

there are five different descriptive statistics used in the computational statistics namely:

• measure of central tendency
• measure of variance or * variance
• measure of position or * location
• measure of shapes
• measure of frequency

Measure of central tendency

there are 7 basic different of measurement of central tendency used in the computation statistics including: mean, mode, medium ,minimum, mid range 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))