tonytonov

tonytonov has asked 16 questions and find answers to 160 problems.

Stats

About

PhD in mathematics, working in qualitative finance.

tonytonov questions

Why is names(x) better than attr(x, "names")?
Add or override aes in the existing mapping object
stat_function and legends: create plot with two separate colour legends mapped to different variables
How to use empty space produced by facet_wrap?
tidyr::gather vs. reshape2::melt on matrices
Does unique() preserve order?
Do not open RStudio internal browser after knitting
What is the right way to multiply data frame by vector?
Avoid rbind()/cbind() conversion from numeric to factor

tonytonov answers

Two fill variable in ggplot
Vectorised kernel function in R
Convert weekly data frame to daily time series with xts
How to set different scales for each group/factor in tile plot
Dynamic background in plot() based on x-axis values?
ggplot error using linetype and group aesthetics
ggplot & holt winters predictions
R: Creating a dynamic list of xts objects
Arranging GGally plots with gridExtra?
How to select colors from a predefined color set in ggplot2