In Germany, does an academic position after PhD have an age limit? I have an array composed of strings '0' 'P' 'E' and 'M' I am trying to find the index of the string 'P' within the array but the current lines I am using. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Well, we can't debug what we can't seeattach a sample data file with the subject data and the code that reproduces the problem. Does the conduit for a wall oven need to be pulled inside the cabinet? Can I trust my bikes frame after I was hit by a car if there's no visible cracking? Including genelist (1,1) will return just a table with a single value on it. Based on your location, we recommend that you select: . To find data matching certain conditions in a table we use: rows = (T.Smoker==true & T.Age<40); What if the T.Smoker field was not a logical but a string? patients = table(LastName,Gender,Age,Height,Weight,Smoker,Systolic,Diastolic); Let's extract patients under 40, separated by gender. Extracting arrays of data to use as input arguments to functions. The output, k, indicates the starting index of each occurrence of pat in str. I want to search 'Participant Data' for a particular string and return all the index of this table when it does pop up. Let's check against the full list of patients under 40. patientsUnder40 = patients(patients.Age < 40, :); Combine the male and female patients into one larger, isequal(sortrows([malePatientsUnder40; femalePatientsUnder40]), sortrows(patientsUnder40)), It returns error "Subscripting a table using linear indexing (one subscript) or multidimensional indexing (three or more subscripts) is not supported. using the patients.mat file the Gender variable is actually a, arrays we try to do "the nice thing" and and treat the text more like "words" rather than "bunches of characters". Other MathWorks country sites are not optimized for visits from your location. Another way to access or modify table data is to open it in the Variables editor for graphical editing. Let's rebuild the patients, What type is the Gender variable in patients? Not the answer you're looking for? Does the policy change for AI-generated content affect users who (want to) How to search for a string in cell array in MATLAB? Citing my unpublished master's thesis in the article that builds on top of it, Elegant way to write a system of ODEs with a Matrix. MathWorks is the leading developer of mathematical computing software for engineers and scientists. First we have to convert table into cell.". Select the China site (in Chinese or English) for best site performance. Grey, 3 studs long, with two pins and an axle hole. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Based on your location, we recommend that you select: . Since you ended up using his answer instead of mine, you can unaccept mine and accept his Answer instead. and strcmp('PRDX2',genelist(:,2)) returns 0. MathWorks is the leading developer of mathematical computing software for engineers and scientists. You do have to reference the variable of interest inside the table, though, yes You may receive emails, depending on your. You can also select a web site from the following list. Should convert 'k' and 't' sounds to 'g' and 'd' sounds when they follow 's' in a word for pronunciation? Why doesnt SpaceX sell Raptor engines commercially? Unable to complete the action because of changes made to the page. Use a. row subscript and a variable subscript.". If A is a table and B a cell array, you need to index this way: Luis Mendo's answer is absolotely correct, but I want to add some general information. Enabling a user to revert a hacked change in their email, Import complex numbers from a CSV file created in MATLAB. https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#answer_419317, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#comment_807879, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#comment_807988, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#comment_808011, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#comment_808303, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#answer_419297, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#comment_807876, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#answer_419298, https://www.mathworks.com/matlabcentral/answers/509936-find-matched-string-in-table#comment_807885. Other MathWorks country sites are not optimized for visits from your location. ismember,strmatch,find(strcmp),find(strcmpi)find(ismember),strfind and etc but they all give me errors mostly because of the type of my data ! Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, @BrianTompsett if you're intent on mass-editing questions in a rambo burnination effort (which you often are), I suggest using. What are all the times Gandalf was either late or early? Is there a reason beyond protection from potential corruption to restrict a minister's ability to personally relieve and appoint civil servants? Based on your location, we recommend that you select: . but it couldn't find the location. Rationale for sending manned mission to another star? They are cell arrays of character vectors. Isequal does not work, and strcmpi is better to replace for. First story of aliens pretending to be humans especially a "human" family (like Coneheads) that is trying to fit in, maybe for a long time? Asking for help, clarification, or responding to other answers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. What are all the times Gandalf was either late or early? Learn more about cell array, strfind, index, matching, matlab I am trying to use strfind to locate values in a cell array and then compare the adjacent cells to a string that I have in order to see if the string matches the array. Making statements based on opinion; back them up with references or personal experience. Other MathWorks country sites are not optimized for visits from your location. Other MathWorks country sites are not optimized for visits from your location. How to say They came, they saw, they conquered in Latin? How strong is a strong tie splice to weight placed in it from above? Actually, I realized that the code I suggested would work if only I had changed simple quotes for double ones! It's a, Since in this data set Gender only takes two values, we can store and display them as two categories using a, value. Alternatively, we have no idea what "table" means in the context in which you're using it -- a Matlab table is a whole different animal and strcmp() doesn't work on the table itself; it'll needs be the content of a variable/column within the table -- and depending on that content. Choose a web site to get translated content where available and see local events and offers. Why do some images depict the same constellations differently? rather than "Gaudeamus igitur, *dum iuvenes* sumus!"? First comment - none of your table variables are strings. Find the treasures in MATLAB Central and discover how the community can help you! https://www.mathworks.com/matlabcentral/answers/2015-find-index-of-cells-containing-my-string. Choose a web site to get translated content where available and see local events and offers. Is there a faster algorithm for max(ctz(x), ctz(y))? strcmp does not work with table, it works with cell. What one-octave set of notes is most comfortable for an SATB choir to sing in unison/octaves? Reload the page to see its updated state. How to get the column ids of a table with string column. Cartoon series about a world-saving agent, who is an Indiana Jones and James Bond mixture. wrong directionality in minted environment. Can I also say: 'ich tut mir leid' instead of 'es tut mir leid'? How to deal with "online" status competition at work? Reload the page to see its updated state. Unable to complete the action because of changes made to the page. How do I find the index of string column? That may matter depending how you implement a solution. Does the policy change for AI-generated content affect users who (want to) How to search for a string in cell array in MATLAB? strcmp, since the former would match independently of case. They also have column/row names and a bunch of other information on how to handle them. Accepted Answer Cris LaPierre on 25 Apr 2023 at 15:33 1 Link Ran in: First comment - none of your table variables are strings. Not the answer you're looking for? There are a couple ways depending on what you ultimately want to do. Is it possible for rockets to exist in a world that is only in the early stages of developing jet aircraft? Semantics of the `:` (colon) function in Bash when used in a pipe? 'yes' or 'no'. You need to use curly brackets {} to "get rid of" the cell array and get the containign string. Find the treasures in MATLAB Central and discover how the community can help you! @AndrasDeak Thanks for bringing the the other meta-post to my attention. array. Reload the page to see its updated state. The way you index your A and B in your code snippet they still stay a cell array (of dimension (1,1)). Choose a web site to get translated content where available and see local events and offers. Please refer to the related documentation page (, https://jp.mathworks.com/help/matlab/characters-and-strings.html, - To replace space with specific character, You may receive emails, depending on your. In Germany, does an academic position after PhD have an age limit? Thus, if you want to compare strings from a index range that you know is a string, you need to convert it to string. How could I make it work so the condition matches a certain string? Choose a web site to get translated content where available and see local events and offers. To find data matching certain conditions in a table we use: What if the T.Smoker field was not a logical but a string? How to look up in a cell of Strings for existence of a specific string, Searching cell for string and return index number, search for string in cell and return index number, Find string (from table) in cell in matlab, Use MATLAB to search for strings and return row numbers, How to search for a specific string in cell array, Find Strings(keywords) in a large MATLAB table, Matlab table - Searching and isolating values in a table. How do I find the index of string column? 0 Comments Sign in to comment. Connect and share knowledge within a single location that is structured and easy to search. is case-sensitive so has to match case as well. Can you be arrested for not paying a vendor like a taxi driver or gas station? Does Russia stamp passports of foreign tourists while entering or exiting Russia? Typical reasons for indexing into tables include: Reordering or removing rows and variables. to indicate "all columns", as Steve showed in his excellent answer. The strfind function executes a case-sensitive search. Based on your location, we recommend that you select: . Connect and share knowledge within a single location that is structured and easy to search. 3 Answers Sorted by: 3 You want strfind: >> strfind ('0123abcdefgcde', 'cde') ans = 7 12 If A is a table and B a cell array, you need to index this way: strfind (B {1}, A.VarName {1}); Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. staPlaLoc = find (maGen == 'P'); (wherein staPlaLoc is the index of 'P' within the array maGen) returns the following. One of these columns includes a column which I have labelled 'Participant Data'. patients.GenderCat = categorical(patients.Gender); F3 = patients(patients.GenderCat == FCategory & patients.Age < 30, :). Sign in to answer this question. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. rows = (T.Smoker=='yes' & T.Age<40); This later code does not work. Your problem is that all the functions you tried (strfind, ) only work for normal strings, but not for cell array. Asking for help, clarification, or responding to other answers. I wonder if this would work if the column were character arrays instead of strings, meaning 'Female' instead of "Female" (single quotes instead of double quotes). At index 6, it's a blankspace.%, There are many useful functions to handle string data. Including genelist(1,1) will return just a table with a single value on it. The reason this is happening is because when you index a table, even if everything on those index ranges are the same type, MATLAB will return just another table. Find string (from table) in cell in matlab, a local variant of the meta post with huge support, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. Running genelist prints the table: But running this command does not find the string: find(strcmp('PRDX2',genelist(:,2))). That may matter depending how you implement a solution. How could I make it work so the condition matches a certain string? How does the number of CMB photons vary with time? How to add a local CA authority on an air-gapped host of Debian. You can also select a web site from the following list. I want to find the location of one string (which I take it from a table) inside of a cell: Modified solution from a Mathworks forum, for the case of a single-column table with ragged strings. How can I change the latex source to obtain undivided pages? [I'm switching the Age threshold to 30 just so the filtered. patients.GenderStr = string(patients.Gender); Thanks. Unable to complete the action because of changes made to the page. What if the numbers and words I wrote on my check don't match? :), Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. Can I get help on an issue where unexpected/illegible characters render in Safari on some HTML pages? To learn more, see our tips on writing great answers. I have tested many commands like: This later code does not work. https://au.mathworks.com/matlabcentral/answers/510612-how-to-search-a-table-for-a-string, https://au.mathworks.com/matlabcentral/answers/510612-how-to-search-a-table-for-a-string#comment_809312, https://au.mathworks.com/matlabcentral/answers/510612-how-to-search-a-table-for-a-string#answer_420330, https://au.mathworks.com/matlabcentral/answers/510612-how-to-search-a-table-for-a-string#comment_2370420, https://au.mathworks.com/matlabcentral/answers/510612-how-to-search-a-table-for-a-string#comment_2370525, https://au.mathworks.com/matlabcentral/answers/510612-how-to-search-a-table-for-a-string#comment_2555165, https://au.mathworks.com/matlabcentral/answers/510612-how-to-search-a-table-for-a-string#comment_2555885. Change of equilibrium constant with respect to temperature. Find centralized, trusted content and collaborate around the technologies you use most. 1 Answer Sorted by: 4 The reason this is happening is because when you index a table, even if everything on those index ranges are the same type, MATLAB will return just another table. Find the treasures in MATLAB Central and discover how the community can help you! If pat is not found, then strfind returns an empty array, []. This is because tables are more than just the information they contain in each of the locations. If str is a character vector or a string scalar, then strfind returns a vector of type double. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, When ever I see a screenshot of code or console output I want to down vote immediately, but I try to restrain myself and wait a bit. You can also select a web site from the following list. See, How would these work? 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. Matlab find string in cell array, report rows, Finding string in cell array of cell arrays, How to search for a specific string in cell array. Select the China site (in Chinese or English) for best site performance. Based on your location, we recommend that you select: . Select the China site (in Chinese or English) for best site performance. Find the treasures in MATLAB Central and discover how the community can help you! Select a Web Site. You can also select a web site from the following list. Luis Mendo shows how to do this. Adding arrays as new rows or variables. Why is Bb8 better than Bc7 in this position? Theme. https://ms-intl.mathworks.com/matlabcentral/answers/1952799-how-to-find-the-index-of-string-column-in-a-table, https://ms-intl.mathworks.com/matlabcentral/answers/1952799-how-to-find-the-index-of-string-column-in-a-table#answer_1222929. To learn more, see our tips on writing great answers. Accelerating the pace of engineering and science. Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" rev2023.6.2.43474. k = strfind (str,pat) searches str for occurrences of pat. You may receive emails, depending on your. Searching a table for a string can done using. Use table2array as: Thanks for contributing an answer to Stack Overflow! A is my table, and B is the cell. What do the characters on this CCTV lens mean? Is there a place where adultery is a crime? How can I shave a sheet of plywood into a wedge shim? Reload the page to see its updated state. First we have to convert table into cell. " Citing my unpublished master's thesis in the article that builds on top of it. Additionally if I have 2 arrays of indices, how to return just the numbers that are in both indices? % I used find(Input_String), but it gives me 1:11 as index, when I only need 1:11 without index 6. Thanks for contributing an answer to Stack Overflow! By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Alternatively, we have no idea what "table" means in the context in which you're using it -- a Matlab table is a whole different animal and strcmp() doesn't work on the table itself; it'll needs be the content of a variable/column within the table -- and depending on that content. Please, a plain text copy is always much better! Was the breaking of bread in Acts 20:7 a recurring activity that the disciples did every first day and was this a church service? In July 2022, did China have more nuclear weapons than Domino's Pizza locations? Choose a web site to get translated content where available and see local events and offers. They are cell arrays of character vectors. Unable to complete the action because of changes made to the page. Find centralized, trusted content and collaborate around the technologies you use most. Select the China site (in Chinese or English) for best site performance. Making statements based on opinion; back them up with references or personal experience. https://www.mathworks.com/matlabcentral/answers/381398-how-can-i-find-the-index-of-a-the-characters-within-a-string, https://www.mathworks.com/matlabcentral/answers/381398-how-can-i-find-the-index-of-a-the-characters-within-a-string#answer_303983. In the above example the first and third columns are of string datatype. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Was the breaking of bread in Acts 20:7 a recurring activity that the disciples did every first day and was this a church service? Hi, I have a table of data. both function can be used to search a string: Refer the following link for model details. Accelerating the pace of engineering and science. Accelerating the pace of engineering and science. 'yes' or 'no'. I am searching a table by a string, but I am not finding the result even though I'm 100% sure it is there. Oddly enough I'm returning no results from that, even when I know that the table contains the string I'm searching for. Let's build a sample using the example from the documentation for the. you forgot to include the comma and colon. BloodPressure = [124 93; 109 77; 125 83; 117 75; 122 80]; T1 = table(LastName,Age,Health,Height,Weight,BloodPressure). By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. No, not really. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Accelerating the pace of engineering and science. malePatientsUnder40 = patients(patients.Gender ==, femalePatientsUnder40 = patients(patients.Gender ==. If you want to extract the colums, see the, However, if you do want the index number, the most direct way I can think of is to use, You may receive emails, depending on your. Copy. What is this part? Accepted Answer: Bruno Luong. 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. rev2023.6.2.43474. Thank you, TD 0 Comments Sign in to comment. To subscribe to this RSS feed, copy and paste this URL into your RSS reader.
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