alpedhuez
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371 total contributions since 2017
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Question
Define a collection of variables
Suppose I have a table date visitor city dummy_for_January dummy_for_February dummy_for_March --------------------------------...
3 hours ago | 1 answer | 0
1
answerQuestion
Long output in Livescript
For example, when I run fitlm with a large number of independent variables, outputs are displayed in its own window and one need...
27 days ago | 1 answer | 0
1
answerQuestion
suggestion: please put an option to display variable data type in head function
head function allows the display the first rows of table that is very convenient. https://www.mathworks.com/help/matlab/ref/ta...
27 days ago | 1 answer | 0
1
answerQuestion
'summary' function for a cell
summary function provides a summary of a content of a table https://www.mathworks.com/help/matlab/ref/table.summary.html Then ...
27 days ago | 1 answer | 0
1
answerQuestion
Matlab, automatically delete the index variable after the execution of a loop, Part 2
https://stackoverflow.com/questions/9850628/matlab-automatically-delete-the-index-variable-after-the-execution-of-a-loop suppos...
27 days ago | 1 answer | 0
1
answerQuestion
a simpler way to add a string variable to a table
I have a table T Date City Visitors ---------------------- 1/1/2020 New York 10 1/2/2020 New York 20 I want to add a variab...
27 days ago | 1 answer | 0
1
answerQuestion
refreshdata, clf, "clear all output"
What are the relationship of refreshdata https://www.mathworks.com/help/matlab/ref/refreshdata.html clf https://www.mathworks...
29 days ago | 1 answer | 0
1
answerQuestion
fitlm okay but warnings for anova
I run tbl=fitlm(x,y) and it does not have any error message. But when I do anova(tbl) I get an error message warning: Mat...
29 days ago | 1 answer | 0
1
answerQuestion
polyfit with multiple dependent variables
I think https://www.mathworks.com/help/matlab/ref/polyfit.html can handle multiple dependent variables. But when I tried Fit...
29 days ago | 2 answers | 0
2
answersQuestion
Setting plot limits with dates, Part 2
https://www.mathworks.com/matlabcentral/answers/84008-setting-plot-limits-with-dates I belive I have set the xlim to start from...
29 days ago | 1 answer | 0
1
answerQuestion
What would be a good proxy for time?
In the previous post https://www.mathworks.com/matlabcentral/answers/696080-correlation-of-two-variables-over-time-can-this-ha...
30 days ago | 1 answer | 1
1
answerQuestion
Correlation of two variables over time: can this happen?
I have a variable x1 and x2 between January 1 till December 31. When I calculate the correlation between Janaury and June it is ...
1 month ago | 2 answers | 1
2
answersQuestion
extract a datanum value of timetable
I have a timetable. I want to get the value of datetime of the 10th row, etc. How?
1 month ago | 1 answer | 0
1
answerQuestion
extract a cell depending on the value of a variable
Suppose I have a 2*1 cell T. T{1} is of the form date city visitors -------------------- January 1 2020 NY 100 January 2 202...
1 month ago | 0 answers | 0
0
answersQuestion
extract a number from 1*1 cell
I have tbl2 = 1*1 cell array {[1.29]} Name Size Bytes Class Attributes tbl2 1x1 ...
1 month ago | 2 answers | 0
2
answersQuestion
How to round a result to two decimal places, Part 2
https://www.mathworks.com/matlabcentral/answers/308927-how-to-round-a-result-to-two-decimal-places shows how to round the resul...
1 month ago | 1 answer | 0
1
answerQuestion
getting a specific column from a table, Part 2
https://www.mathworks.com/matlabcentral/answers/248838-getting-a-specific-column-from-a-table tells T{:,1} as a way to speci...
1 month ago | 1 answer | 0
1
answerQuestion
fitlm when there are many independent variables
https://www.mathworks.com/help/stats/fitlm.html shows, when one has a small number of independent variables, it is possible to ...
1 month ago | 1 answer | 0
1
answerQuestion
Can the script detect the version of MATLAB on which the script run?
I write a script that depends on a new feature of R2020b. But other people may not have R2020b. Is it possible to write such as ...
1 month ago | 2 answers | 0
2
answersQuestion
where can I find a path of a function that matlab accessed?
I wrote a function 'test.m'. I called the function from Livescript test(x,y) How can one find the directory of test.m?
1 month ago | 1 answer | 0
1
answerQuestion
What kind of join will work to merge these two tables
I have table T1 date city vistors --------------------- January 1 2020 NY 100 January 2 2020 NY 200 January 1 2020 SF 150 ...
1 month ago | 1 answer | 0
1
answerQuestion
Sort categorical variables in an alphabetical order
I have a set of categorical variables A = {'NY','Boston'} How can one sort A to B as B = {'Boston','NY'} I tried sort but ...
1 month ago | 1 answer | 0
1
answerQuestion
word wrap in Matlab Live Editor
How can one have a word wrap in Matlab Live Editor?
1 month ago | 1 answer | 0
1
answerQuestion
sum two variables ignoring NaN
I have table T Var1 Var2 -------------- 1 NaN NaN 2 I want to add var1 and var2 ignoring NaN: sum --- 1 2
1 month ago | 2 answers | 0
2
answersQuestion
Merge two tables and merge variables (other than the key variables) also
I have table T1 Date City Visitors ------------------ January 1 2020 NY 100 January 2 2020 NY 200 and Date City Visitors ...
1 month ago | 0 answers | 0
0
answersQuestion
How to let Matlab fill in different date, string, and numbers in a table
Suppose I have table T1 Date City Vistors ------------------ January 1 2020 NY 100 January 2 2020 NY 110 and table T2 Date...
1 month ago | 0 answers | 0
0
answersQuestion
What is a good way to see the data type of variables in a table？
I have a table with variables. Is there any function that allows me to see the data type of all variables in a table?
1 month ago | 1 answer | 0
1
answerQuestion
Add/Augument timetable with additional date
I have a timetable T1 like date visitors -------------------------------------- January 1 2020 ...
1 month ago | 0 answers | 0
0
answersQuestion
From discrete dates to continuous dates (revised)
I have a timetable T like city date visitors ----------------------- NY January 1 2020 100 NY January 5 2020 40 NY Janua...
1 month ago | 1 answer | 0
1
answerQuestion
How to take a difference within the data of the same city but not across the city, Part 3
I have a table City Date Cumulative_Visitors ----------------------- NY January 1 100 NY January 2 150 NY January 3 200 ...
1 month ago | 1 answer | 0
1
answer
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