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T4H14


Last seen: 5ヶ月 前 |  2017 年からアクティブ

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質問


How can I specify the file path for csvwrite to write a file to?
How can I specify the file path for csvwrite to write a file to?

6年弱 前 | 2 件の回答 | 0

2

回答

質問


How do I grab data from an API that returns files in xml or json?
I'm working with a couple APIs for some needed data. One returns files in JSON and the other in xml. How do I then take that an...

6年弱 前 | 0 件の回答 | 0

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質問


What is the best way to readtable with variables names not in the first row and detectImportOptions gets the row detection wrong?
Is there a way to easily call a readtable function while specifying the row the variable names are located in and the row that t...

6年弱 前 | 1 件の回答 | 0

1

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質問


How do I take a small array, keyed by a datetime variable which is a subset of a larger array and replace the values in the larger array with the values from the smaller array?
What is the best way to take an table which is keyed by a datetime variable and replace the data in a much larger taable (same v...

6年弱 前 | 3 件の回答 | 0

3

回答

質問


How can I use the excel import functionality in Matlab to import a table but to have the individual pices of data in the table rows to not be imported as 1x1 tables as well?
When I import excel spreadsheets as tables it imports each piece of data as a 1x1 table which creates problems when I want to op...

6年弱 前 | 2 件の回答 | 0

2

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質問


How do I take the power of elements in a table?
I have a table called NYLD1 and I want to create some new variables that are the squares and cubes of the variables columns 29:3...

約6年 前 | 1 件の回答 | 0

1

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質問


How to delete rows in a table where table variable equals some integer?
How can I delete rows from a table where a variable in the table = 1(for example)?

6年以上 前 | 1 件の回答 | 0

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質問


Can the output of the weekday function be modified to return different numbers?
Can the output of the weekday() function be modified like the excel weekday function so that Monday = 1 rather than Monday =2? ...

6年以上 前 | 1 件の回答 | 0

1

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質問


Can I specify the variable name to use as a key when I use innerjoin() or does it have to be a column number?
Can I use innerjoin(A,B,'Keys','Date') or do I have to use innerjoin(A,B,'Keys'1) when innerjoining two tables which have a comm...

6年以上 前 | 1 件の回答 | 0

1

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質問


Why do I get a for loop error "Subscript indices must either be real positive integers or logicals"?
I have the following code (below) that uses a for loop. Why do I get the error "Subscript indices must either be real positive i...

6年以上 前 | 1 件の回答 | 0

1

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質問


Is there a way to change variable names that a trained regression model structure should be expecting?
I trained some regression models and exported the code but I want to change the variable names I am using. Can I do this in the ...

6年以上 前 | 0 件の回答 | 0

0

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質問


How do I add a new column to a table which is a binary or intiger depending upon if the Date is a holiday or not?
I want to create a new variable called Holiday which is equal to an integer of my choosing depending upon if the Date in the sam...

6年以上 前 | 1 件の回答 | 0

1

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質問


Variable Names and classes for Tables as well as using the Hour function on datetime variables?
I have a table, B, which is 360x11 and the first column is a date time variable. I want to verify the variable names using: ...

6年以上 前 | 2 件の回答 | 0

2

回答

質問


How do I read this csv file in and convert the dates?
How can I use readtable() to read in this .csv and convert the dates from AM/PM to 24 hour at the same tieme NA-KBOS , Hour...

6年以上 前 | 1 件の回答 | 0

1

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質問


How can I add a column to a table where I look up the date against a list of holiday dates and if it is a holiday I create a new binary variable?
I have a file with data indexed by dates. The first column in the table in dates. I have another table of a list of US bank holi...

6年以上 前 | 1 件の回答 | 0

1

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質問


How do I take a table which has one value for every hour and produce an average for hours X:Y, one for each day?
I have a table that has a first column as dates in 'dd-mmm-yyyy hh-mm-ss' format and the second column is values. I want to prod...

6年以上 前 | 2 件の回答 | 0

2

回答

質問


How can I create a table from column from another table and some model output?
I have a table T that has a first column called "Dates" which contains the observation dates for input variables into a model an...

6年以上 前 | 2 件の回答 | 1

2

回答

質問


When using the regression learner app is there a way to save a regression learner session when many regressions have been run?
When using the regression learner app is there a way to save a regression learner session when many regressions have been run? I...

6年以上 前 | 2 件の回答 | 1

2

回答

質問


How to add variables to a table that are products of other variables
If I have a table of 46 variables and I want to add on new variables to this table which are the squares and cubes of some of th...

6年以上 前 | 2 件の回答 | 0

2

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質問


Matrix "addition" qeustion
How do I create a matrix A which is equal to a matrix X with column vectors added onto it which are the element wise square and ...

6年以上 前 | 3 件の回答 | 0

3

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