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restructure data table based on date and other categorical variables
I have a data table with 4 variables: d18O (water chemistry measurement), Site, Date and Depth Site, Date and Depth are all c...
2 years 前 | 1 个回答 | 0
1
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Summing elements in an array between uneven date intervals
I have a dataset of daily rainfall. I also have a list of 28 days on which environmental sampling was carried out. I'm trying to...
2 years 前 | 1 个回答 | 0
1
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applying a function to a datatable using rowfun
I'm attempting to apply a function to a datable using rowfun. The table contains two variables of interest, "date" and "d18O", w...
2 years 前 | 1 个回答 | 0
1
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Scatter plots for a large dataset with 2 grouping variables
I have a large dataset with 4 variables. I want to make scatter plots for using two of the variables (x = date, y = d18O), GROUP...
2 years 前 | 1 个回答 | 0
1
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Using accumarray to organize large CSV
I have a CSV with 4 columns, containing several thousands of rows of data. I have attached a sample data sheet with a small amou...
2 years 前 | 2 个回答 | 0
2
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Average every 3 rows of 1 column in a 12 x 8 array
I have a 12 x 8 array of data and want to average every 3 rows of the 4th column in the array, resulting in a 4 x 1 array. To be...
2 years 前 | 1 个回答 | 0
1
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Drift correction for geochemical data
I'm working on a code to automate data processing. Towards the end of my code, I need to determine if isotope data has drifted t...
2 years 前 | 1 个回答 | 0
1
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Extract contents of cell array based on rows
I have a 3 x 1 cell array (A), where each cell contains a 30 x 8 double. I want to extract certain rows of each 30 x 8 double ba...
2 years 前 | 1 个回答 | 0
1
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Using cellfun to automate data calibration - issue defining function
I am in the process of writing a code to calibrate geochemical data. One step of the code involes a linear calibration of measur...
2 years 前 | 1 个回答 | 0
1
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Indexing geochemical data arrays with different numbers of elements
I have a table of data collected from an instrument that makes 6 measurements for each sample. At the end of the analysis I'm le...
2 years 前 | 1 个回答 | 0
