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Wesso


Last seen: 8개월 전 2019년부터 활동

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error using the join function
FinalData = join(All,M4,'Keys','ID','Year'); % I want to join All and M4 based on the common variables ID and Year. I want all...

8개월 전 | 답변 수: 2 | 0

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Automatically sorting years and quarters in a serial number
Hi, I have alarge sample of quarterly data. I have years (example 1990....2022) and quarters (1,2,3,4). How can i generate a s...

대략 1년 전 | 답변 수: 2 | 0

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Creating automatically a folder name and cd the folder based on excel file name
Hi, I have excel names based on countries. for example I have Iraq.xlsx file save under C:\Documents\MATLAB so, I write : T = r...

2년 초과 전 | 답변 수: 1 | 0

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unique is giving the same expression twice
Hi, (data is attached) [Country,~,ix] = unique(A); tally = accumarray(ix, 1); Q2= table(Country, tally); Q2 contains the sa...

대략 3년 전 | 답변 수: 1 | 0

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Replacing -999 in a table to NaN regardless of the type of the column
Hi, I have table Final with -999 and -9999 representing missing values (Data attached). I would like to replace these -999 wi...

대략 3년 전 | 답변 수: 1 | 0

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Changing values in a table
M is a table where if a specific column in M is =1 the respective rows in the subsequent columns (starting at cl1 and ending at...

대략 3년 전 | 답변 수: 1 | 0

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Exporting variable names and their respective data types to excel
Hi, I have many tables with different sizes. I am trying to concatenate these tables where the column names match but it seem...

3년 초과 전 | 답변 수: 1 | 0

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Appending 2 Tables with different column order and different number of columns
Hi, I need to append tables with different column orders but have the same header for the respecitve columns. For example A.Pr...

3년 초과 전 | 답변 수: 1 | 0

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Reassigning columns to a table
Hi, I have a table A from which I selected few columns to recompute using function correctiona. The column names are from a sur...

3년 초과 전 | 답변 수: 1 | 0

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Getting rid of loops
Hi, I am trying to clean matrix A (which is a 1064 x 4 matrix) while relying in the cleaning process on Matrices B and C that ha...

3년 초과 전 | 답변 수: 2 | 0

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Adding a categorical column to a table
I have a table and I want to a dd a categorical column to the table so that i end up with a 3 column table. How is it possible t...

3년 초과 전 | 답변 수: 0 | 0

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finding and replacing problematic cells in a table
Hi, Attached a data file that I am working on. I want to replace N/A cells with -999. I also want to find empty cells (th...

3년 초과 전 | 답변 수: 1 | 0

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Cell array to table in a display mode
Hi, I have a cell array of stored unique values that has the following format: when I tried to look at these unique values t...

3년 초과 전 | 답변 수: 0 | 0

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Joining two tables with two common columns
Hi , I have two tables A and B. They have two common columns: A's columns are Date, ID, col1, col2 etc... B's columns are ...

거의 4년 전 | 답변 수: 0 | 1

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Date format 03mar2013
Hi, I hope all is well. How can I read dates such as 03mar2013 and transform them to matlab datenumber? I hav ethese dates i...

거의 5년 전 | 답변 수: 0 | 0

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Matching based on working days
Hi, I have a vector A of dates and I want to create a vectors of working days that are 1 day prior, 1 week prior and 4 week ...

대략 5년 전 | 답변 수: 2 | 0

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counting across complementary columns
i will stick to b since it is more important to my analysis:

대략 5년 전 | 0

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counting across complementary columns
I wrote a long function (attached so that you know it is not a post by a lazy student seeking an answer for his assignment) nd t...

대략 5년 전 | 답변 수: 1 | 0

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Replacing elements in a table
I have Table A that constitutes of arrays, Some of the columns were computed using algebraic equations. This yielded certain num...

대략 5년 전 | 답변 수: 1 | 0

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Problems with te output of writetable function
writetable(E,'FinalMatlab.csv') I ended up with the attached output. in row 33 the columns were not written completely and inst...

대략 5년 전 | 답변 수: 1 | 0

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error when loading a mat file
Hi, I am simple trying to load a mat file called Step1 that has only two variables t20142018 and opts.When dowloading the f...

대략 5년 전 | 답변 수: 0 | 0

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innerjoin two tables based on the first word in the key columns
in Matrix A I have the following columns: Date AcquirorName TargetName _____ ________...

대략 5년 전 | 답변 수: 1 | 0

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innerjoin invalid parameter name
Hi, I want to match table A with table B (they have different size) and I want to produce table C that keeps only the common ...

대략 5년 전 | 답변 수: 1 | 0

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Appending tables from excel with different column order
the issue is that I have a large number of columns that can have different column formats :cell,double,datetime etc... . Is ther...

대략 5년 전 | 0

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Appending tables from excel with different column order
Hi, I am using teh following codes to append a large number of excel data List = dir(fullfile(Base,'*.xls')); Result = cell...

대략 5년 전 | 답변 수: 2 | 0

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Closest match to a string
Hi, I need to match two tables based on the name of a company. Each table refers to the company differently. I am wondering if ...

대략 5년 전 | 답변 수: 0 | 0

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Concatenating tables with different format
Hi, I am concatenating tables in a large loop. all these tables are imported from excel . sometimes Matlab imports the same c...

대략 5년 전 | 답변 수: 1 | 0

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Importing and appending a complete folder of excel files
Hi, I have a folder in which I have around 225 excel files: MA1.xlsx,MA2.xlsx,....MA225.xlsx. all of them have the same colum...

대략 5년 전 | 답변 수: 1 | 0

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