screechOwl

screechOwl has asked 182 questions and find answers to 14 problems.

Stats

About

https://financenerd.blog/blog/

screechOwl questions

R set plot background based on date
How to combine 2 Date vectors in data frame without changing format
Binning data for use in matrix and image() or heatmap()
Find numeric and character columns that are perfectly correlated / redundant
R spell checker / tokenizer
R packages to look for misentered data
R Is there a way to do thresholding in linear regression?
R missing levels in a model.matrix
Excel - pivot table - update data model
R zoo plot multiple years of data overlapping

screechOwl answers

Binning data for use in matrix and image() or heatmap()
R Is there a way to do thresholding in linear regression?
R caret and gbm can't find ntrees input
R can't write to csv or RData file
A true heat map in R
Making use of swap partition in R
simple R 3d interpolation / surface plot
R machine learning packages to deal with factors with a large number of levels
R code coverage for the testthat package
Increase heap size in java for weka