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Robert


自 2016 起处于活动状态

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统计学

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pcolor - colorbar question
Hello, I am creating maps using pcolor with a colorbar using colors from white to yellow to light red for small to medium to la...

6 years 前 | 0 个回答 | 0

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Extracting info from multiple matrices
Hello, Wondering if anyone could suggest a simple way to extract info from matrix B based on Matrix A. I have two "correpondin...

6 years 前 | 1 个回答 | 0

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How could I add colors to regions in a global map?
Hi, Wondering if is an easy and quick way to add colors to regions in a global map (matrix)? Like this...(attached figure)...

6 years 前 | 1 个回答 | 0

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How to modify font size in a miller projection map?
Hi, Wondering how to modify the font size of the text for the longitudes in a miller projection map? Thanks!

6 years 前 | 1 个回答 | 0

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Extracting Attribute Info from .nc file
Hi, ncdisp('File.nc'); Source: C\Folders........\File.nc Format: classic Global Attributes: YearInfo ...

6 years 前 | 0 个回答 | 0

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How can I create a matrix from 3 vectors?
Hello, I would like to ask if anyone knows how to create a matrix from 3 vectors: values (z), latitude (y), and depth (x), as...

6 years 前 | 1 个回答 | 0

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How a large timetable (10 million rows by 15 columns) could be modified to a smaller table?
Hello, Here is an example of my 10 million x 15 columns timetable... Time Par_Name1 Par_Name2 ... Par_Name12 UniqueID Va...

6 years 前 | 1 个回答 | 0

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Join two tables with different sizes
Hello, I am trying to join two tables with different sizes A = 50000 x 12 B = 9 x 3 Both matrices have a variable ...

6 years 前 | 1 个回答 | 0

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How to reorder a matlab table based on a portion of variables name
Hi, Wondering if anyone knows how to reorder a Matlab table based on a portion of variables name (numerical ID within the var...

6 years 前 | 2 个回答 | 1

2

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How to read dates/times with time zone
Hi, Wondering how to read the following dates/times: 2003-01-16T06:28:00Z 2003-02-16T03:13:00Z 2003-03-16T04:11:07Z ...

6 years 前 | 1 个回答 | 0

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How to replace numbers (-999) for NaN in a dataset?
Hi, I have a large dataset with variables containing -999. I want to change those numbers to NaN but it is not working... ...

7 years 前 | 2 个回答 | 0

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How to use grpstats to create statistics using nominal variable from a dataset?
Hello, Wondering how to use grpstats to create statistics using nominal variable from a dataset? This is my dataset (examp...

7 years 前 | 0 个回答 | 0

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How to copy files to different folders based on part of filename (strings and numbers)
Hi, I haven't been able to find a solution to my problem when trying to copy files with similar part of filename, including w...

7 years 前 | 1 个回答 | 0

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Adding High Resolution basemap to Geographic Bubble Chart
Hi, From: https://www.mathworks.com/help/matlab/creating_plots/_mw_47bfdfc1-09dc-40c2-82c6-280c83609dd8.html 'To use anot...

7 years 前 | 0 个回答 | 1

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Shade with different colors portions of figure based on data
Hello, Wondering if anyone could help me with this... I do have a time-series (Data attached) with positive and negative v...

7 years 前 | 1 个回答 | 0

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Find specific files based on sections of file name
Hello, I want to generate an analysis using .csv files. How could I make a search to load only files that have specifics sect...

7 years 前 | 1 个回答 | 1

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How to delete/retain variables (columns) from a table based on sections of the variables name
Hello, Wondering if anyone knows how to delete/retain variables (columns) from a table based on portions of the variables nam...

7 years 前 | 1 个回答 | 0

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Extract clusters info from dendrogram as a matrix
Hello, Wondering if somebody could guide me here... I do have data from instruments at different locations (Latitude and L...

7 years 前 | 1 个回答 | 0

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How to sort a table by portions of the variable names in columns
Hi, I would like to ask this question in two parts... 1) Wondering how to sort this table based on the end portion of the...

7 years 前 | 1 个回答 | 0

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How to add names to table variables from a large cell with names?
Hello, I have a 600x1000 array (double), where Columns have data like this... 145.65 18.81 29.06 28.48 ... 145.66 18.73...

7 years 前 | 1 个回答 | 0

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How to obtain statistics between rows from columns with similar variable name when using timetable?
Hello, Wondering how to obtain the mean (and number), for each row, from columns with a similar variable name (see below, K00...

7 years 前 | 1 个回答 | 0

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Using @range in timetable when having NaN's
Hi, I am trying to calculate daily mean and daily range from a timetable: '25-Feb-2008 00:00:00' 29.1580000000000 '25-F...

7 years 前 | 1 个回答 | 0

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Loop files, create a timetable and add file names to variable names
Hi, Wondering if anyone is familiar with how adding file names to the variable names in a loop when creating a timetable? ...

7 years 前 | 2 个回答 | 1

2

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Would be possible to calculate half hour average by using retime?
Hello, The current time steps allowed in retime <https://www.mathworks.com/help/matlab/ref/retime.html> are: 'yearly' One...

7 years 前 | 2 个回答 | 1

2

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How to extract a diagonal band of data from a square matrix, to reduce array size?
Hi, I am looking to extract data for the region Latitudes (North=29 and South= 22.5) and Longitudes (West= -179 and East= -16...

7 years 前 | 1 个回答 | 0

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How to insert values to specific locations in a matrix
Hi, Looking for help on how to insert values into a 3D matrix (array) based on their latitude and longitude positions. This i...

7 years 前 | 1 个回答 | 0

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Read file, extract region and save
Hi, I am trying to read multiple .nc files (I know how to do this, see below), then extract a small region from each file (n...

7 years 前 | 0 个回答 | 0

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How to use function table (or timetable) inside a loop to generate a final table that contains a large number of variables (columns) with names
Wondering if anyone could suggest how to use the function table (or timetable) inside a loop to generate a final table that cont...

8 years 前 | 2 个回答 | 0

2

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How to create a new matrix adding vectors of different size based on time
Hi, Wondering if I could get some ideas, or guide me to a similar example, on how I can organize 300 times series of data, ea...

8 years 前 | 3 个回答 | 0

3

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How to read .nc files that are located in multiple folders (sub-subfolders with similar name).
In my case, 'Main' folder has 16 subfolders (2002, 2003, ..., 2017), while each subfolder have 365 sub-subfolders (001, 002, ......

8 years 前 | 1 个回答 | 0

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