Nishanth

Nishanth has asked 5 questions and find answers to 32 problems.

Stats

About

Analytics professional. Specializing in signal processing, digital communications, statistics, Monte-Carlo simulation, data analytics and machine learning.

Proficient in: R, Python, Scala/C#/Java, Spark, h2o

nishanthu.github.io

Nishanth questions

C# like DateTime in C++
NaN is removed when using na.rm=TRUE
openMP is not creating threads in visual studio
What is the best pseudo-random number generator as of today? [closed]

Nishanth answers

Generating pseudorandom nonrepeating integers from a 32-bit finite set
Convert missing values (-9) to NAs in a Plink PED file when reading into R
Find minimum deviation from vector from a matrix of possible vectors
random forest error NA not permitted in predictors
Drawing an imperfect circle
R: bizarre behavior of set.seed()
Product of likelihood too small - R only gives 0
What is the fastest way in R to calculate rolling max with a variable rolling window size?
Remove duplicated columns in matrix
How can I add rows to an R data frame every other row?