Kasia Kulma

Kasia Kulma has asked 28 questions and find answers to 18 problems.

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About

Senior data scientist at Mango Solutions, London. R-lady. Blogger.

Kasia Kulma questions

R: Calculate cumulative sums and counts since the last occurrence of a value
R: removing part of the word in a character string
R: JDBC() not finding Java drivers path when connecting to Teradata
R: tr(), th() and thead() - what package do they belong to?
R: calculate the number of occurrences of a specific event in a specified time future
R: for loop creating new columns populated by conditional statement based on the previous column
Rolling sums for groups with uneven time gaps
R: fetching pdf documents from Companies House API

Kasia Kulma answers

Are there any R packages or published code on topic models that account for time?
R: for loop creating new columns populated by conditional statement based on the previous column
R: fetching pdf documents from Companies House API