Publications by Priyank Goyal
Unpaired 2 Sample T-Test
Unpaired two Sample t- The unpaired two-samples t-test is used to compare the mean of two independent groups. For example, suppose that we have measured the weight of 100 individuals: 50 women (group A) and 50 men (group B). We want to know if the mean weight of women (mA) is significantly different from that of men (mB). In this case, we have tw...
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Fitting Data to a Distribution
Remember: Look for the negative values in your data: Exponential, Weibull, Poisson, Geometric, do NOT take negative values. vector <- c(4640,4967,4640,4967,4640,4957,5169,4957,5169,4957,5064,5033,5064,5033,5064,5062,4514,5062,4514,5062,5217,4883,5217,4883,5217,4658,4998,4658,4998,4658,5557,4843,5557,4843,5557,5510,5112,5510,5112,5510,5005,5111,50...
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Discrete Distribution Fitting
we use the library vcd library(vcd) ## Warning: package 'vcd' was built under R version 3.6.1 ## Loading required package: grid A set of three similar coins are tossed 100 times with the following results number_of_heads <- c(0,1,2,3) Frequency <- c(36,40,22,2) df <- c(rep(0,36),rep(1,40),rep(2,22),rep(3,2)) df ## [1] 0 0 0 0 0 0 0 0 0 0 0 0...
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PCA_Case_Jet_Airways
Case Priave domestic airline operators raised their airfare in Dec 2000. Indian Airlines, the government owned carrier, was the only domestic airline which did not follow suit. Information available showd that people still prefer to fly Jet Airways. Our group set out to ascertain the reasons for the above preference, as according to Indian Airlin...
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