Question

Why is this happening in this code?
I run the code from https://www.mathworks.com/matlabcentral/answers/1646135-downloading-files-from-a-website-with-conditions-on-...

4 mois ago | 1 answer | 0

1

answer

Question

datetime format issue?
As a continuation of a previous question, datelimits = datetime({'20080401', '20080402'}, 'InputFormat', 'yyyyMMdd'); outputs...

4 mois ago | 2 answers | 0

2

answers

Question

datetime to string conversion
I have day = datetime(2008,04,01) with the output day = datetime 01-Apr-2008 I then run string(day) with...

4 mois ago | 1 answer | 0

1

answer

Question

downloading files from a website with conditions on names of files
Question: I work on a website https://www.somecompany.com/xml/. This directory has files whose filename starts with a letter "A...

5 mois ago | 1 answer | 0

1

answer

Question

How to patch upperbound and lowerbound
I read about patch to fill in the confidence interval https://www.mathworks.com/matlabcentral/answers/422522-patch-or-fill-bet...

11 mois ago | 1 answer | 0

1

answer

Question

How can one change the font for graphics to sans serif?
https://www.mathworks.com/matlabcentral/answers/49446-how-can-i-change-the-fontface-of-a-text-within-a-plot shows set(gca, 'F...

11 mois ago | 1 answer | 0

1

answer

Question

How to create a pivot table from this table, Part 2
To generalize https://www.mathworks.com/matlabcentral/answers/898782-how-to-create-a-pivot-table-from-this-table-revised?s_tid=s...

11 mois ago | 1 answer | 0

1

answer

Question

How does one display the fit line in this plot in this situation?
I have a timetable T with T.date T.vistors T.sales ---------------------------------------- I draw a plot yyaxis left plo...

11 mois ago | 2 answers | 0

2

answers

Question

How does one use bookmark feature in Livescript?
https://www.mathworks.com/products/matlab/whatsnew.html says " Live Editor Bookmarks: Navigate quickly between lines (R2021a)" ...

11 mois ago | 1 answer | 0

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answer

Question

How can one write a condition datetime is not NaT?
How can one write a condition datetime is not NaT?

11 mois ago | 1 answer | 0

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Question

Display first columns and rows of a table
Function head displays "Get top rows of table, timetable, or tall array." https://www.mathworks.com/help/matlab/ref/table.head....

11 mois ago | 1 answer | 0

1

answer

Question

How can one create a timetable with one column (all 1) with beginning date and end date?
I want to create a timetable T that begins on 1/2/2020 till 5/15/2020. How can one get started? https://www.mathworks.com/help...

11 mois ago | 1 answer | 0

1

answer

Question

remove variables except for prespecified variables from a table
Suppose I have a table T with the set of variables Date Location Visitors Purchases Item1 Item2 Item3 ... I just want to keep...

11 mois ago | 1 answer | 0

1

answer

Question

How to create a pivot table from this table (revised)
Suppose I have a table T location gender ----------------------------------------------...

11 mois ago | 2 answers | 0

2

answers

Question

Loop over a list of variables indexed by numbers
Suppose I have a table Day1Vistors Day1Sales Day2Visitors Day2Sales NY 10 100 15 45 SF ...

11 mois ago | 1 answer | 0

1

answer

Question

Reshaping a table with date and characteristics in rows
Suppose I start with the table date age18-24 age 25-34 1/1/2021 10 10 1/2/2021 20 30 Then want to generate a table group...

11 mois ago | 1 answer | 0

1

answer

Question

Adjust the vertical and horizontal alignment of the label of xline function
xline function is nice. There is an example of "Adjust the vertical and horizontal alignment of the label" at https://www.math...

11 mois ago | 1 answer | 1

1

answer

Question

print command print only part of the graph
I did a plot and Matlab displays a plot correctly. Then I run print(gcf, '-dtiff', 'abc.tiff','-r300'); The resulting tiff f...

11 mois ago | 0 answers | 0

0

answers

Question

When is the renamevars function introduced?
I use MATLAB Version: 9.7.0.1190202 (R2019b) and got "error using eval. unrecognized function or variable 'renamevars'. Can it b...

11 mois ago | 1 answer | 1

1

answer

Question

do not figure out errors in xlim
z1=datenum(T.Date(1,:)) z2=datenum(T.Date(height(T.Date),:)) xlim([z1 z2]) Error using xlim (line 31) Limits must be a 2-...

11 mois ago | 1 answer | 0

1

answer

Question

How can one specify the color of comparison bar chart?
Suppose I have bin_age = ['test', 2]; vals = [ 1 1; 2 2]; b = bar(vals) newXticklabel = {'young', 'old'} set(gca,'XtickLa...

11 mois ago | 1 answer | 0

1

answer

Question

How can one draw a plot of this table?
Suppose I have table T date visiors sales 1/1/2021 3 100 1/2/2021 5 120 I...

11 mois ago | 1 answer | 0

1

answer

Question

How can one reshape this table?
Consider a table T with group date visitor age 18-24 1/1/2021 10 age 18-24 1/2/2021 20 age 25-34 1/1/202...

11 mois ago | 1 answer | 0

1

answer

Question

how to run multiple number of regressions?
I have table T with Date Location Sales Visitors 1/1 NY 10 5 1/1 LA 7 3 1/2 NY 9 5 1/2 LA 4 1 Then I want to run regressi...

11 mois ago | 1 answer | 0

1

answer

Question

Can one get fitted value without going to predict?
I have a regression mdl=fitlm(X,Y) How can one obtain the fitted value of the regression without going for predict?

11 mois ago | 1 answer | 0

1

answer

Question

Sort timetable in the ascending order of dates
I have timetable T that says date visitor 1/2 5 1/1 6 How can one have date visitor 1/1 6 1/2 5 That is, s...

11 mois ago | 0 answers | 0

0

answers

Question

How to sum up over dates?
I have table with T date location sales -------------------- 1/1 NY 100 1/2 NY 105 1/1 LA 70 1/2 LA 90 I want to su...

11 mois ago | 1 answer | 0

1

answer

Question

normalize the vector by taking the difference from the first element
Suppose I have a vector T 1 2 3 Then I want to normallize T by taking the difference from the first element T1 0 (=1-1) ...

11 mois ago | 1 answer | 0

1

answer

Question

run regression, change the value of x and calculate how y changes, and then plot both
(Revised) Suppose I have a table T y x1 x2 10 3 4 7 2 3 5 1 2 run a regression mdl =fitlm([T.X1, T.X2],T.y) Th...

11 mois ago | 1 answer | 0

1

answer

Question

Is there any way to output the statistical outcome in latex?
It seems that R has a package that allows to create a latex output of statistical outcome https://cran.r-project.org/web/packag...

12 mois ago | 0 answers | 0

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