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E Zakreski


McGill University

25 total contributions since 2016

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cronbach_alpha
Compute Cronbach's alpha for internal consistency.

3 Monate ago | 4 downloads |

Submitted


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

3 Monate ago | 3 downloads |

Submitted


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

mehr als 2 Jahre ago | 3 downloads |

Submitted


AUC
Quantify biological reactivity by calculating area under the curve.

fast 3 Jahre ago | 6 downloads |

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

fast 3 Jahre ago

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

fast 3 Jahre ago

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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

fast 3 Jahre ago

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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 ...

fast 3 Jahre ago

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

fast 3 Jahre ago

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

fast 3 Jahre ago

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

fast 3 Jahre ago

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

fast 3 Jahre ago

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

fast 3 Jahre ago | 3 downloads |

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

fast 3 Jahre 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...

fast 3 Jahre ago | 0

Submitted


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

fast 3 Jahre 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.

fast 3 Jahre ago | 4 downloads |

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

fast 3 Jahre 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 ...

fast 3 Jahre ago

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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...

fast 3 Jahre ago

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

fast 3 Jahre ago

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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...

fast 3 Jahre ago

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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...

fast 3 Jahre ago

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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:...

fast 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 ...

fast 3 Jahre ago