July 30 2019

# Python Basics

mba <- read.csv("C:\\Users\\Admin\\Desktop\\SARLAKG\\mba.csv")
View(mba)

dim(mba)

## [1] 773   3

head(mba,3)

##   data.srno workex gmat
## 1         1     21  720
## 2         2    107  640
## 3         3     57  740

tail(mba,2)

##     data.srno workex gmat
## 772       772     10  610
## 773       773     52  620

colnames(mba)

## [1] "data.srno" "workex"    "gmat"

mean(mba$gmat)

## [1] 711.1643

attach(mba)

mean(gmat)

## [1] 711.1643

median(gmat)

## [1] 710

sd(gmat)

## [1] 29.33971

var(gmat)

## [1] 860.8188

range(gmat)

## [1] 600 780

range = max(gmat)- min(gmat)
range

## [1] 180

max(gmat)

## [1] 780

windows()
barplot(gmat)

hist(workex)

library(moments)

skewness(workex)

## [1] 2.603472

kurtosis(workex)

## [1] 16.31043