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Lola Davidson

Last seen: 9 days 前 |  自 2018 起处于活动状态

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统计学

  • Knowledgeable Level 2
  • MATLAB Mini Hack 2022 Participant
  • Revival Level 1
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已回答
Slice matrix upon "group ID" to get the mean
For those stumbling on this more recently, MATLAB now has the grouptransform function introduced in R2018b. It can be used to ma...

4 months 前 | 1

已回答
Working with grouped data - data access and analysis (standard deviation)
For those stumbling on this more recently, you can keep all your data together in a timetable and compute the grouped calculatio...

4 months 前 | 0

已回答
Find Number of Elements in an Array
If you prefer avoiding cell arrays and/or tables, groupcounts (introduced in R2019a) can do this straight away A = ['KM'; 'KL';...

4 months 前 | 0

| 已接受

已回答
Find unique groups in table with members both before and after date
The groupfilter function was introduced in R2019b to simplify these types of workflows. Just specify which variables define the ...

4 months 前 | 0

已回答
Cumulative sum of groups
The grouptransform function was introduced in R2018b to help make problems like this a bit simpler. You can avoid the tricky cel...

4 months 前 | 1

已回答
How to do a group by in matlab
For those still stumbling on this, MATLAB now has several more functions to help with grouping workflows, including groupsummary...

4 months 前 | 0

已回答
How to make tasks for lives editor.
This feature is now available as of R2022a. Please see the documentation to get started: https://www.mathworks.com/help/matlab/...

1 year 前 | 1

| 已接受

已回答
How to transform a table to a nested structure comparable to a pivot table in excel?
As of R2023a, you can use the "pivot" function to orient the data more like what excel provides: https://www.mathworks.com/help/...

1 year 前 | 1

已回答
How to create a pivot table
As of R2023a, you can use the "pivot" function: https://www.mathworks.com/help/matlab/ref/pivot.html Tout = pivot(Tin, Rows=...

1 year 前 | 1

已回答
How can I create pivot table like excel in Matlab
As of R2023a, you can use the <https://www.mathworks.com/help/matlab/ref/pivot.html pivot> function that ships with MATLAB.

1 year 前 | 0

已回答
How to do pivot from table-type variable
As of R2023a, you can also use the <https://www.mathworks.com/help/matlab/ref/pivot.html pivot> function. pivotedTable = pivo...

1 year 前 | 3

已回答
Can I use UNIQUE to get a count of the number of times each element is repeated?
As of R2019a, you can use groupcounts for this: >> a = [12 34 78 8 12 3 34 34]'; >> [counts, groupnames] = groupcounts(a) cou...

2 years 前 | 9

已回答
Average a section of a column in a table based on another column values
Hi Gabi, We actually have several functions that can help with these "grouped calculations". In particular, I think groupsummar...

2 years 前 | 0

已回答
Live script tasks: Reading the variables from a table using "tasks"
Hi GS76, The reason that you cannot access the table variable is that the "X-axis" dropdown is filtering out table variables th...

4 years 前 | 1

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已回答
Inconsistent behavior between Command Window and scripts, unexpected error using 'end' and 'max'
Hi Joseph, Thank you for bringing this behavior to our attention. This appears to be related to a known issue. Please see the...

6 years 前 | 0

| 已接受