Carl Witthoft

Massachusetts

http://witthoft.com

Resume at http://witthoft.com/resume

Physicist, Photonics and Radar Engineer, cellist, R-evangelist, pinball fanatic, xkcd follower. And owner of "Hells Doggies," 2 wonderful Papillons and one incredibly sweet motley mutt.

https://github.com/cellocgw for various R- code tools and toys.

top accounts reputation activity subscriptions

What is R's crossproduct function?

r asked Mar 1, 2013 at 16:50

stackoverflow.com

23 votes

Short story about flowers that look like seductive women

story-identification space-exploration humor asked Jun 7, 2023 at 15:06

scifi.stackexchange.com

21 votes

Avoiding the infamous "eval(parse())" construct

r parsing expression eval interpreter asked Nov 30, 2012 at 14:24

stackoverflow.com

19 votes

R unary operator overload: risks?

r operator-overloading asked Nov 2, 2012 at 12:22

stackoverflow.com

17 votes

can't open sockets for parallel cluster

r parallel-processing asked Oct 8, 2013 at 13:09

stackoverflow.com

15 votes

How to pass "nothing" as an argument to `[` for subsetting?

r subset do.call asked Jul 19, 2013 at 16:19

stackoverflow.com

12 votes

Is there an S4 equivalent to unlist()?

r s4 asked Feb 10, 2013 at 22:17

stackoverflow.com

10 votes

How to add "skin" to a Voronoi shape?

cad voronoi asked May 14, 2018 at 11:56

3dprinting.stackexchange.com

9 votes

Is the FOCAL syntax for Alphanumeric Numbers ("0XYZ") documented anywhere?

focal asked Jun 29 at 21:09

retrocomputing.stackexchange.com

8 votes

How to retrieve formals of a primitive function?

r asked Sep 22, 2014 at 15:56

stackoverflow.com

Top Answers

115

Why do cars have mirrors for rear view rather than cameras?

engineering.stackexchange.com

107

Extract file extension from file path

stackoverflow.com

Getting strings recognized as variable names in R

stackoverflow.com

What led NASA et al. to decide the ISS should be a zero-g station when the massive negative health and quality of life impacts of zero-g were known?

space.stackexchange.com

Can a flute soloist sit?

music.stackexchange.com

Why can't we see gases?

physics.stackexchange.com

What exactly is a dimension?

physics.stackexchange.com

Function to clear the console in R and RStudio

stackoverflow.com

Legend with both point and line in R

stackoverflow.com

How can I convert row names in multiple data frames to column in data frame>

stackoverflow.com

What to teach after scales and chords

music.stackexchange.com

Wrapping / bending text around a circle in plot

stackoverflow.com

Is it ethical to profit by having my students buy my textbook?

academia.stackexchange.com

How many people are necessary to maintain modern civilisation?

worldbuilding.stackexchange.com

How to spray paint parking lot stripes by hand and avoid overspray

diy.stackexchange.com

Why does violin sound differently after playing on it for some time?

music.stackexchange.com

Examples of when the professional scientists or mathematicians were wrong, but the nonprofessionals were right

hsm.stackexchange.com

How do stars from far away affect Earth?

physics.stackexchange.com

Reading data from PDF files into R

stackoverflow.com

How can I ask a new date to not smoke around me?

interpersonal.stackexchange.com

Flat throw vs 45 degree throw (For Baseball)

physics.stackexchange.com

Should I loosen the tension on the bow for a break?

music.stackexchange.com

R change all columns of type factor to numeric

stackoverflow.com

Does 1 pixel have a standard size?

superuser.com

How was photo data processed and transferred back to Earth from satellites before digital photography became commonplace?

photo.stackexchange.com

R: Function to copy to clipboard on Mac/OSX?

stackoverflow.com

Tuning hierarchy for orchestras

music.stackexchange.com

Why are the edges of the shadow so bright?

physics.stackexchange.com

What is behind the Great Red Spot's longevity?

astronomy.stackexchange.com

Why don't cameras offer more than 3 colour channels? (Or do they?)

photo.stackexchange.com