Marco Riani
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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)
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PCAinteractive
Code to reproduce the figures of paper "Interactive Graphics for PCA in MATLAB"
1 día hace | 4 descargas |
Enviada
FSDA - Flexible Statistics Data Analysis toolbox
Flexible Statistics Data Analysis Toolbox
3 días hace | 549 descargas |
Pregunta
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), ... ...
3 días hace | 0 respuestas | 0
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respuestasResuelto
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...
18 días hace
Resuelto
Generate the Figure-Figure sequence
After discussing Scott Kim’s FIGURE-FIGURE Figure (below) in Gödel, Escher, Bach, Douglas Hofstadter introduced an integer seque...
23 días hace
Resuelto
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...
24 días hace
Resuelto
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 ...
24 días hace
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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...
alrededor de 1 mes hace
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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...
alrededor de 1 mes hace
Resuelto
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...
alrededor de 1 mes hace
Resuelto
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...
alrededor de 1 mes hace
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find nth even fibonacci number
1st even fibonacci number=2 ; 2nd even fibonacci number=8 ..
alrededor de 1 mes hace
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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
alrededor de 1 mes hace
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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...
alrededor de 1 mes hace
Resuelto
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...
alrededor de 1 mes hace
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find the nth fibonacci number
The Fibonacci sequence is defined as follows: give n, find the nth fibonacci number
alrededor de 1 mes hace
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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...
alrededor de 1 mes hace
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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...
alrededor de 1 mes hace
Resuelto
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...
alrededor de 1 mes hace
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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 ...
alrededor de 1 mes hace
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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 meses hace
Enviada
A statistical analysis on COVID-19 data collection
Multialignment of fasta files to reference sequences, extract date and country. Analyze geographical diffusion
8 meses hace | 1 descarga |
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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 meses hace
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Lost days
Given two dates in a particular format, calculate the difference between them.
10 meses hace
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Leap Year
According to Gregorian Calender(which is in use now, in many countries),decide whether a given year is a leap year or not. Give...
10 meses hace
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Friday or not
I love Friday. Please tell me whether the day is Friday. Dateformat is 'yyyy-mm-dd' or 'dd-mmm-yyyy' or 'mm/dd/yyyy'. Exa...
10 meses hace
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Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...
10 meses hace
Resuelto
Find the day for a date
Today's day and date will be given to you. By utilising that you need to find the day of the old date. (Date will be in DD/MM/YY...
10 meses hace
