Community Profile

# E Zakreski

### McGill University

25 total contributions since 2016

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Submitted

bonferroni_holm
Bonferroni-Holm method to control family wise error rate. Corrects multiple comparisons/hypothesis tests (returns adjusted p-val...

Submitted

cronbach_alpha
Compute Cronbach's alpha for internal consistency.

Submitted

For editing EKG, RR interval data, and respiratory data.

Submitted

AUC
Quantify biological reactivity by calculating area under the curve.

Solved

All capital?
Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

etwa 3 Jahre ago

Solved

Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

etwa 3 Jahre ago

Solved

Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

etwa 3 Jahre ago

Solved

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

etwa 3 Jahre ago

Solved

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

etwa 3 Jahre ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

etwa 3 Jahre ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

etwa 3 Jahre ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

etwa 3 Jahre ago

Submitted

Super scrollbar
Scroll through and zoom in/out of plot with arrow keys.

Converting Epoch time to HH:MM

etwa 3 Jahre ago | 0

How do I add a horizontal scroll bar to a figure
I made a scroll bar class <http://www.mathworks.com/matlabcentral/fileexchange/56404-super-scrollbar Linked here.> If you want...

etwa 3 Jahre ago | 0

Submitted

Subject Contribution
See how individual subjects divided into groups contribute to averaged data plotted over time.

Submitted

Axes Orienter
Scroll and zoom in/out of axes using arrows keys. Display part of total data currently in view.

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

etwa 3 Jahre ago

Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

etwa 3 Jahre ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 3 Jahre ago

Solved

Given a and b, return the sum a+b in c.

etwa 3 Jahre ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

etwa 3 Jahre ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

etwa 3 Jahre ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

etwa 3 Jahre ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

etwa 3 Jahre ago