Wednesday, January 23, 2013

IT and Business Applications Lab 3

Assignment 1 A : Given mileage and groove, our hypothesis is that groove affects mileage. Fit LM and comment on its applicability.




From above graphs, it is clear that linear regression model is not applicable.


Assignment 1 B : Given alpha and plutonium, our hypothesis is that plutonium impacts alpha. Fit LM and comment on its applicability.






From above graphs, it is clear that linear regression model is applicable within the range depicted in Normal QQ plot.


Assignment 2 : Determine whether the comfort levels given by different types of chairs are equal, using the ANOVA technique. 


The summary provides a high p-value equal to 0.687, which indicates that the null hypothesis cannot be rejected.

Wednesday, January 16, 2013

IT and Business Applications Lab 2

Assignment 1 : Using cbind() function


Assignment 2 : Multiplication of Matrices



Assignment 3 : Regression Analysis of NSE Data



Assignment 4 : Generating Normal Distribution data and plot


Tuesday, January 8, 2013

IT and Business Applications Lab 1

Assignment 1 : Histogram of a Vector

Output :
Assignment 2 : NSE Data Histogram

Output :
Assignment 3 : NSE Graph with Title and Axes Labels

Output :

Assignment 4 : NSE Scatterplot

Output :




Assignment 5 : Maximum Volatility

Output :