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akk


Last seen: 8 months ago |  Active since 2018

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find max for every 7 rows
I have a timetable matrix (A) that has many variables (e.g., temp, salinity, etc). The instrument was programmed to collect meas...

11 months ago | 2 answers | 0

2

answers

Question


how to average over specific dates
Hello, I have a datetime vector (e.g., 14-Jul-2020 00:01:00) that spans several years. I would like to average wave height dat...

12 months ago | 2 answers | 0

2

answers

Question


fileDatastore using for loop and scatter
Hi, I am trying to load multiple .csv files from a folder (file1.csv, file2.csv, etc). Then I would like to plot specifc varia...

3 years ago | 1 answer | 0

1

answer

Question


Find values within a contour and replace with nan
Hi, I have a contour (bathymetry) line with a column of values x, y. I also have a dataset of chlorophyll values (XX,YY,Chl) s...

4 years ago | 1 answer | 0

1

answer

Question


unable to find variable in ncread
Hi, Im having trouble finding variables in my nc file. First I use: ncdisp('A20150802015171.L3b_SNSP_CHL.x.nc') I get the di...

4 years ago | 1 answer | 0

1

answer

Question


time series, find number of times a value is reached
Hello, I have a multi-year temperature time-series. I want to know how many times temperature drops a given amount (say, 5C) o...

4 years ago | 1 answer | 0

1

answer

Question


time series and grouping
Hello, I have a table with multiple sites (SITE_ID) and temperature time series associated with each site. Each site has a lat...

4 years ago | 1 answer | 0

1

answer

Question


plot each cast for each year using findgroups and splitapply
Hello, I have a dataset with temperature, depth, castID and year. For each year, there are multiple casts, and the castID is a...

4 years ago | 1 answer | 0

1

answer

Question


bin lat lon data and average
Hi, I am trying to bin data by lat and long, and then index the bins. I can get this far: minlat=min(lat); minlong=min(long); ...

5 years ago | 1 answer | 0

1

answer

Question


remove selected months and years
Hi, I am trying to create a matrix where I have removed selected months and years. Here is what I have so far: dv=datevec(date...

5 years ago | 1 answer | 0

1

answer

Question


binning data and mapping
Hi, I am trying to bin lat/lon data into 5x5 grids, and then plot the boxes. I have 3 columns: lat, long and temperature. So...

5 years ago | 1 answer | 0

1

answer

Question


for loops and creating new vectors
Any help with this is appreciated! I have a matrix(mytable) that is a 128x3 double, mytable(:,1)=CO2, mytable(:,2)=year mytable...

6 years ago | 1 answer | 0

1

answer

Question


deaseasonalize temperature data using means
I have a set of data that includes dates (years from 1995-2018 and months (1-12), where dv(:,1)=year and dv(:,2)=month. It also ...

6 years ago | 1 answer | 0

1

answer

Question


Find average for each year
Hi, I have a column of years (yr) and a column of temperatures (temp). Both columns are 100000 data points long. I would like...

6 years ago | 1 answer | 0

1

answer

Question


find matching values from two unequal size arrays
I have two arrays of unequal length. [lat1 lon1 pCO2] say 200000 values in each column [lat2 lon2] say 100000 values in each ...

6 years ago | 3 answers | 0

3

answers