1.6.1 Top new questions this week

1.6.1.1 Assign a randomly generated list to variable

http://mathematica.stackexchange.com/questions/62921/assign-a-randomly-generated-list-to-variable

 
I don't know if this is a silly question, but it really baffles me. So 
please help me understand this behavior. 
 
list=RandomInteger[100,100] 
 
 
I interpret the (silly) code above as randomly generating  ...
 

- asked by Naitree (19 votes), answered by rhermans (5 votes)

1.6.1.2 Dataset seems unable to handle ListDensityPlot and ListContourPlot

http://mathematica.stackexchange.com/questions/61572/dataset-seems-unable-to-handle-listdensityplot-and-listcontourplot

 
If I create a Dataset: 
 
dataSet = Dataset[ 
AssociationThread[{"a", "b", "c", "d", "e"} -> #] & /@ 
RandomReal[{-1, 1}, {1000, 5}] 
]; 
 
 
It should be easy to use a plotting function on it 
 
...
 

- asked by gpap (15 votes), answered by RunnyKine (14 votes)

1.6.1.3 Make my data-structure atomic

http://mathematica.stackexchange.com/questions/61587/make-my-data-structure-atomic

 
Lately, and by lately I mean since version 7 or so, the number of atomic 
expressions in Mathematica constantly grew. In former times only the 
native types like integers and optimised arrays were  ...
 

- asked by halirutan (14 votes), answered by Leonid Shifrin (10 votes)

1.6.1.4 Applying different functions to different columns of a Dataset

http://mathematica.stackexchange.com/questions/61710/applying-different-functions-to-different-columns-of-a-dataset

 
Suppose I have different functions: Total, Mean and Max and the 
following Dataset 
 
SeedRandom[0] 
dataSet = Dataset[AssociationThread[{"a", "b", "c", "d"} -> #] & 
/@ RandomReal[4, {10, 4}]] 
 
 
 
 
...
 

- asked by smayhem (13 votes), answered by RunnyKine (9 votes)

1.6.1.5 Sorting Lists of lists of arbitrary length

http://mathematica.stackexchange.com/questions/61560/sorting-lists-of-lists-of-arbitrary-length

 
I'm trying to sort a list of lists.  The sublists are defined in length, 
but the length of the list containing it varies. 
 
A simplified set might be: 
 
{{1, 2, 3}, {7, 1, 4}, {3, 5, 6}, {10, 7, 1}} 
 
 
...
 

- asked by Rick R (10 votes), answered by RunnyKine (11 votes)

1.6.1.6 Best way to find permutation with specific total

http://mathematica.stackexchange.com/questions/62956/best-way-to-find-permutation-with-specific-total

 
Can anyone suggest a good way to find permutations of 12 digits, 0 to 4, 
totalling 24. 
 
I.e. two such permutations:- 
 
{2, 1, 4, 1, 2, 2, 2, 2, 2, 2, 1, 3} // Total 
 
 
 
24 
 
 
{4, 4, 4, 4, 4, 4, 0, 0,  ...
 

- asked by Chris Degnen (9 votes), answered by thils (6 votes)

1.6.1.7 Segmentation of a microscopy image with uneven illumination

http://mathematica.stackexchange.com/questions/62976/segmentation-of-a-microscopy-image-with-uneven-illumination

 
I am trying to do a little image segmentation on some cells taken from 
microscopy images that have uneven illumination.  I am having trouble 
getting the background of the image cleaned up after  ...
 

- asked by user13999 (9 votes), answered by bobthechemist (4 votes)