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Marcus Glover


Last seen: Today |  Active since 2015

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Question


Preprocessing to find circles in image with regionprops or imfindcircles
I am really struggling trying to find the circles in my image. Here is the image, as well as the three circles I am hoping to fi...

1 month ago | 1 answer | 0

1

answer

Question


How to determine if new data lies outside old prediction intervals
I have made a prediction model (using fit and predint) based on data in my table T. I know how to test if the existing data is o...

5 months ago | 0 answers | 1

0

answers

Question


Matching combinations of strings
I have a table TT with a string variable TT.name. I want to return true if TT.name matches any entry in another table variable O...

5 months ago | 1 answer | 0

1

answer

Question


Calculate mean of all variables that have a mean
I have a table with mixed types of variables. I want to calculate the mean of any variable that can have a mean without converti...

5 months ago | 2 answers | 0

2

answers

Question


Remove rows from table with a column match and an undefined categorical
I want to remove all rows from my table T that have a (or multiple) duplicate entries in T.Name and have a value that is undefin...

9 months ago | 1 answer | 0

1

answer

Question


Append tables with a new variable
Hello. Perhaps this is more of a general programming style question, so if I should reevaluate my methods please feel free to su...

9 months ago | 1 answer | 0

1

answer

Question


Identify specific rectangular shape in image and measure distance
I'd like to be able to identify a specific rectangle within my image, because I would then like to meake a measurement from the ...

11 months ago | 1 answer | 0

1

answer

Question


I want to avoid dynamically naming my tables after a join.
I certianly have a lot to learn, but I do know I am not supposed to dynamically create variable names- and I assume that applies...

1 year ago | 1 answer | 0

1

answer

Question


Join tables based on times that are within 3 hours of each other
I have two tables that should be joined based on matching id values, but I would only like to join those values which have data ...

1 year ago | 2 answers | 0

2

answers

Question


Manipulate strings in a table- remove leading numbers if present
I have strings in a table that I would like to strip the leading 'numerical group' of characters from if they are present- and t...

1 year ago | 1 answer | 0

1

answer

Answered
Join/Append tables and keep particular table variable if duplicate rows
Jan's question led me to the answer. commented=readtable('commented.xlsx'); load newdata.mat; load answer; % eliminate ...

2 years ago | 1

| accepted

Question


Join/Append tables and keep particular table variable if duplicate rows
I have a an ecxel table that is updated inside excel after being generated in MATLAB with a column of some user text comments- t...

2 years ago | 1 answer | 0

1

answer

Question


Find unique groups in table with members both before and after date
I have a table with strings in cells and a datetime. I need to find the unique groups of entries that occur before and after a p...

2 years ago | 2 answers | 0

2

answers

Solved


Add two numbers
Given a and b, return the sum a+b in c.

2 years ago

Question


Can you have a multilevel table?
I have a large table that has several groups of similar variables. I'd like to create levels of variables so I can group and acc...

2 years ago | 2 answers | 0

2

answers

Answered
Read data from Excel
Yes, you can do this, but you will need to read in the entire excel file (or at least the entire dataset) first. Then just defin...

3 years ago | 0

| accepted

Question


Count number of blobs in rows only
The object I am imagng has 4 rows of 4 dots. I am interested in knowing the maximum number of blobs I can resolve in one row. I ...

3 years ago | 1 answer | 0

1

answer

Question


Ignore missing data in a table group
I have a table with some missing data. I am using findgroups and splitapply to do some calculations on columns of the table, but...

3 years ago | 1 answer | 0

1

answer

Question


Sort table based on number of occurrences
I have a table that I'd like to sort based on groups of a few of the columns. My table is made up of cells. >> T=table({'A','B...

3 years ago | 1 answer | 0

1

answer

Question


Extract data from HTML Table
I have a HTML file (attached at .txt) with a table of data I would like to extract. I found the FEX file htmltabletocell, but I...

4 years ago | 1 answer | 0

1

answer

Question


Finding groups based on matching multiple values in a column
I'd like to find groups in my table based on the values of multiple columnns- but I'd like to have the groups allow multiple spe...

4 years ago | 1 answer | 0

1

answer

Question


Write different sized cell arrays of strings to one excel sheet
I would like to list the string values contained in cell arrays of different sizes in their own column in excel. Here's my exam...

4 years ago | 1 answer | 0

1

answer

Question


Cannot open DICOM file
I have DICOM files that come from a Philips MR scanner that I cannot seem to open properly using dicomread or dicomreadVolume. I...

4 years ago | 1 answer | 0

1

answer

Question


Find variable name of categorical values repeated a number of times
I am trying to find the variable names of columns in a table that match a value, in my case a string. The values in my table are...

5 years ago | 2 answers | 0

2

answers

Question


How to join matching rows of cells in a particular column order
I have a cell array containtin strings and numbers. I'd like to combine rows that have matching key values, but I need the col...

5 years ago | 1 answer | 0

1

answer

Question


Convert column into cells
I have a large cell matrix with each cell as 1x1 as some entries are strings and other types of imported data. I need to multipl...

8 years ago | 2 answers | 0

2

answers

Answered
Dummy dataset in boxplot
Ok, as usual, asking the question has been the trick. I just created a dataset with 4 entries of the 25th percentile, 2 medi...

9 years ago | 0

| accepted

Question


Dummy dataset in boxplot
I have a set of data that I am presenting with the boxplot function. I would like to compare to a national average. I know the n...

9 years ago | 1 answer | 0

1

answer