3.25.1 Top new questions this week

3.25.1.1 How can I work with RawArray?
3.25.1.2 Random points around the given curve
3.25.1.3 Intuition behind FoldPair and SequenceFold?
3.25.1.4 Product of two lists
3.25.1.5 Is there something similar to seaborn stripplot in mathematica
3.25.1.6 Collapsible Tree
3.25.1.7 FindDistributionParameters fails with custom distribution which cannot be evaluated symbolically
3.25.1.1 How can I work with RawArray?

http://mathematica.stackexchange.com/questions/133666/how-can-i-work-with-rawarray

 
RawArray seems to be able to efficiently hold integer and floating point data of various sizes. 
 
What is RawArray good for?  How can we use it?
 

- asked by Szabolcs (19 votes), answered by Szabolcs (15 votes)

3.25.1.2 Random points around the given curve

http://mathematica.stackexchange.com/questions/133682/random-points-around-the-given-curve

 
How to plot a random points around the following Helix curve? 
 
ParametricPlot3D[{6 Cos[t], 6 Sin[t], t}, {t, -2 , 4 }, 
PlotTheme -> "Detailed", PlotStyle -> {Blue, Thickness[Large]}, 
...
 

- asked by vito (14 votes), answered by J. M. (15 votes)

3.25.1.3 Intuition behind FoldPair and SequenceFold?

http://mathematica.stackexchange.com/questions/133625/intuition-behind-foldpair-and-sequencefold

 
In trawling through the documentation I've found the functions FoldPairList and SequenceFoldList. Examples are given of how to use FoldPairList: 
 
 
Partition a list into sublists of different lengths  ...
 

- asked by pdmclean (12 votes), answered by andre (4 votes)

3.25.1.4 Product of two lists

http://mathematica.stackexchange.com/questions/133723/product-of-two-lists

 
Please, for the two lists: 
 
L1 := {{a, b}, {c, d}, {e, f}} 
L2 := {{g, h, i}, {j, k, q}} 
 
 
I need the result 
 
{{{a g, a h, a i}, {c g, c h, c i}, {e g, e h, e i}}, 
{{b j, b k, b q}, {d j, d k, d  ...
 

- asked by Ali (11 votes), answered by xzczd (13 votes)

3.25.1.5 Is there something similar to seaborn stripplot in mathematica

http://mathematica.stackexchange.com/questions/133634/is-there-something-similar-to-seaborn-stripplot-in-mathematica

 
Is there something similar to seaborn stripplot in mathematica? 
The graph I am trying to make is like this:
 

- asked by Yordan (11 votes), answered by Brett Champion (12 votes)

3.25.1.6 Collapsible Tree

http://mathematica.stackexchange.com/questions/133492/collapsible-tree

 
Has somebody tried to program for data visualization an interactive Collapsible Tree like shown here:http://bl.ocks.org/mbostock/4339083. This implements the Reingold-Tilford algorithm. 
 
 
 
...
 
- asked by mrz 8votes
3.25.1.7 FindDistributionParameters fails with custom distribution which cannot be evaluated symbolically

http://mathematica.stackexchange.com/questions/133456/finddistributionparameters-fails-with-custom-distribution-which-cannot-be-evalua

 
Context 
 
I am interested in measuring the dark energy equation of state  of the universe while fitting the PDF of density in cells. 
This involves fitting a one parameter PDF to some data. 
 
 
 
Following  ...
 
- asked by chris 7votes