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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...

8 months ago | 4 downloads |

Submitted


cronbach_alpha
Compute Cronbach's alpha for internal consistency.

1 year ago | 0 downloads |

Submitted


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

4 years ago | 3 downloads |

Submitted


AUC
Quantify biological reactivity by calculating area under the curve.

4 years ago | 6 downloads |

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

4 years 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...

4 years 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

4 years 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 ...

4 years ago

Solved


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

4 years 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...

4 years ago

Solved


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

4 years 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...

4 years ago

Submitted


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

4 years ago | 4 downloads |

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Converting Epoch time to HH:MM
_First plot your data in unix time_ *function* [axh,ploth] = makePlot(ydata,unixtime) axh=axes('nextplot','add'); %add ...

4 years ago | 0

Answered
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...

4 years ago | 0

Submitted


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

4 years ago | 3 downloads |

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

4 years ago | 4 downloads |

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Solved


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

4 years ago

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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 ...

4 years 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...

4 years ago

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

4 years 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...

4 years 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...

4 years 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:...

4 years 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 ...

4 years ago