Introduction to Data Science

Data Science Certification | Error in sample.int(m, k) : | cannot take a sample larger than the population when "replace = FALSE"
Dear Biswajit, I hope you are doing good. Seems like it is the issue m_norm argument in kmeans() instead use corpus_txfidf and ...
Sun, 8 May, 2016 at 12:59 PM
for-loop with DTM in R | DocumentTermMatrix in R | Corpus
I went through your query. I understand that you are trying to create a simple example for DocumnetTermMatrix.  for(i in 1:10) { dtmn...
Mon, 23 May, 2016 at 3:16 PM
Doubt in DS Certification Project - step 2 i.e separate out the log and time columns
Here I am summarizing your query. You are working on Data science certification project and need an explanation a...
Mon, 20 Jun, 2016 at 2:03 PM