Marco Riani

Last seen: Today | Actif depuis 2019

Followers: 6 Following: 0

Full Professor of Statistics (since 2006), University of Parma, Italy. Director of the interdepartmental center of robust statistics for big data (Ro.S.A.) of the University of Parma since 2016. He is author of more than 150 publications and two books published by Springer Verlag New York. His main research interests are robust statistics (regression, multivariate analysis and classification)

Statistiques

All

Afficher les badges

Feeds

A résolu

No Fives Permitted
Create a function that gives users an custom error message if the matrix A contains a five. The error message should say "No Fiv...

environ 2 heures il y a

A résolu

A Fiveless Factorial
Given a positive integer x, compute its factorial y, but exclude any muliplication by five if applicable.

environ 2 heures il y a

A résolu

Don't Sum a Five
Create a function that sums the first and last element of a muti-element vector unless the value of one of the elements is 5. Do...

environ 2 heures il y a

A résolu

Don't Include a Five (Part Two)
Given a vector A with at least one non-five, return vector B, with all fives excluded (not replaced by zeros).

environ 3 heures il y a

A résolu

Don't Include a Five
Given a vector A, return vector B with all 5s replaced with 0s.

environ 3 heures il y a

A résolu

High Five!
Write a function that takes a number x and returns y = 'High Five' if x is not equal to five. Return y = 'Denied' if the number ...

environ 3 heures il y a

A résolu

A Five Introduction
Write a function that takes a number x as an input and returns the same value as y, unless x = 5, in which case the function sho...

environ 3 heures il y a

A soumis

PCAinteractive
Code to reproduce the figures of paper "Interactive Graphics for PCA in MATLAB"

5 jours il y a | 4 téléchargements |

0.0 / 5

A soumis

FSDA - Flexible Statistics Data Analysis toolbox
Flexible Statistics Data Analysis Toolbox

6 jours il y a | 391 téléchargements |

5.0 / 5

Question

TextScatter implementation does not expose the indices it chose for display when 'TextDensityPercentage' is used
rng(10) % for reproducibility n=100; x = randn(n,1); y = randn(n,1); seq = (1:n)'; h=textscatter(x,y,string(seq), ... ...

6 jours il y a | 1 réponse | 0

0

réponse

A résolu

The Dark Knight
The current position of the knight is x The desired destination is y The size of the chessboard is n. Find the minimu...

21 jours il y a

A résolu

Generate the Figure-Figure sequence
After discussing Scott Kim’s FIGURE-FIGURE Figure (below) in Gödel, Escher, Bach, Douglas Hofstadter introduced an integer seque...

26 jours il y a

A résolu

Write out numbers in words
Write out numbers in words ( range [0-9999] ) with British spelling rules. For example; 1 > one 56 > fifty-six 100 > one hund...

27 jours il y a

A résolu

System of equations
Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

28 jours il y a

A résolu

longest common semi-substring
Finding longest common substring is a common problem in string processing. This problem is a variant of that. Two strings are g...

environ un mois il y a

A résolu

Reverse within string
If input is a string 'yellow' the output should be 'leywol'. Locate the middle of the string and reverse the first (yel) and sec...

environ un mois il y a

A résolu

Find the index of nth maximum of a row vector of real numbers
Given a vector of real numbers x, find the index idx of _n_ th maximum value. If nth maximum occurs more than once, return the i...

environ un mois il y a

A résolu

Find the logic and return the nth number
given a sequence of numbers arranged in the following order: A=0,1,3,4,9,10,12,13,27,28,30,31,36,37,...... Write a function th...

environ un mois il y a

A résolu

find nth even fibonacci number
1st even fibonacci number=2 ; 2nd even fibonacci number=8 ..

environ un mois il y a

A résolu

Find the Nth Root of a Given Number
Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

environ un mois il y a

A résolu

Find the logic and return the nth number (plus)
This problem is the harder version of Problem 61015 given a sequence of numbers arranged in the following order: A=0,1,3,4,9,1...

environ un mois il y a

A résolu

Find the nth composite number.
Everyone heard about the nth prime number. Let's try to find out the nth composite. For example , 1 is the first composite, 10 i...

environ un mois il y a

A résolu

find the nth fibonacci number
The Fibonacci sequence is defined as follows: give n, find the nth fibonacci number

environ un mois il y a

A résolu

Find nth number
The numbers 2 and 7 are called lucky numbers, an integer containing only the digits 2 and 7 is also called lucky number. The pro...

environ un mois il y a

A résolu

find the nth number (plus)
this problem is the harder version of Problem 61014. The numbers 2 and 7 are called lucky numbers, an integer containing only t...

environ un mois il y a

A résolu

Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

environ un mois il y a

A résolu

Compute a determinant
Write a function to compute the determinant of an x matrix with diagonal entries equal to an integer and other entries equal ...

environ 2 mois il y a

A résolu

Mesh the octahedron
Problem statement An octahedron is a regular polyhedron with 6 vertices and 8 triangular faces. It is also one of the five we...

3 mois il y a

A soumis

A statistical analysis on COVID-19 data collection
Multialignment of fasta files to reference sequences, extract date and country. Analyze geographical diffusion

8 mois il y a | 1 téléchargement |

0.0 / 5

A résolu

The End of the World
given a date -- represent it in the Maya long count system. <https://en.wikipedia.org/wiki/Maya_calendar> <https://maya.nm...

10 mois il y a

Charger plus