Tuesday, 22 January 2013

Day3-IT Lab



Assignment 1:-

  independent:- groovee  dependent:- mileage.  Fit data in  lm model  and comment on the applicability of lm.










We see here that cluster plot is having a parabolic pattern, therefore we cannot  go for linear regression here.

Assignment :-2



 alpha -independent,
 pluto:- dependent
            res/ind
            sres/ind
            qqplot and add a qline










Assignment :-3

Anova hypothesis test:-check if comfort level of the three chairs is  same.






p value=0.687

Since p-value is greater than 5%, we cannot reject the null hypothesis. 


Wednesday, 16 January 2013

Tuesday, 15 January 2013

Blog post for submission no 1 for Business Applications Lab

                     Submission- 1 Business Applications Lab




Assignment 0:-


Line









Assignment 1:-

Plot zcol1 as histogram














Assignment 2:-

Plot both lines and points






Assignment 3:-

Scatter plot














Assignment 4:-

Max volatility in the data





Day 2-IT Lab

                                    Day 2:IT Lab assignments








Assignment :- 1


Commands :-

z1<-c(1,2,3,4,5,6,7,8,9)

dim(z1)<-c(3,3)

z2<-c(32,48,01,05,10,12,15,18,23)

dim(z2)<-c(3,3)

x<-z1[,3]

y<-z2[,1]

z3<-cbind(x,y)







Assignment 2:-


Command:-

mul<-z1%*%z2

mul



Assignment :-3


Command:-
z6<-read.csv(file.choose(),header=T)
reg2<-lm(High~Open,data=z6)
reg2








Assignment :-4
Command :-

x<-seq(0,200)
y<-dnorm(x,mean=100,sd=20)
plot(x,y,type="l")