Prasad Chalasani

Prasad Chalasani has asked 21 questions and find answers to 80 problems.

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About

BTech/CS IIT, PhD/ML CMU. Interests include Deep (Adversarial) Learning, Explainability, Ping Pong, Running

Prasad Chalasani questions

Emacs Org-Mode: how to fold block without going to block header?
Sweave,R,Beamer : How to convert the LaTex text in an Rnw file to R comments?
R: FAST multivariate optimization packages?
Emacs, R, Org-mode: how to enable automatic switch to ESS-mode within R code blocks?
How to write an R function that evaluates an expression within a data-frame
R + ggplot2: how to hide missing dates from x-axis?
R: When using data.table how do I get columns of y when I do x[y]?
R: creating a named vector from variables
R: passing expression to an inner function
R: how to rbind two huge data-frames without running out of memory

Prasad Chalasani answers

How do I convert/reshape a data frame in long format to a wide format without aggregating the records?
Using R to get volatility and Peak to avg. Ratio of internet traffic data
R character factor to numeric vector
R: draw a line on the same boxplot graph
How can I easily get the mean, median ,quartiles, etc. given counts of each value in R?
Finding the Column Index for a Specific Value
Reorganizing Lists of data.frames
Set ordering of factor levels for multiple columns in a data frame
Automatic multiplication between vector and matrix
Drop data frame columns by name