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**Content Feed**

Read netCDFs in loop and export to table with different sizes

I would suggest using timetable and the synchronize method. I assume nlevel is the sensor data? If so, build up a cell array of...

11 días ago | 0

| accepted

divide year time data into days and nights

Steve beat me to it, but here's another solution that uses the datetime isbetween function. SunriseSunset = table((1:365)',date...

12 días ago | 0

| accepted

Add code to have switch repeat if a case is not met

A while loop is one way to accomplish this. Also note that you can use lower() to reduce the number of cases. max_number = na...

13 días ago | 0

Adding time to time string

Here's another slightly different approach. There's no need to replace "/" with "-" for datetime to parse it. Duration can parse...

3 meses ago | 0

Convert DoY and hour to datetime format

The datetime constructor is forgiving about day values that don't fit within a particular month and wrapping them appropriately:...

3 meses ago | 0

Compare table variables with input list and replace missing vars with NA

Readtable and outerjoin do the trick (xlsread is discouraged at this point - readtable is preferred). FYI, there's also a join L...

3 meses ago | 2

Sorting/Grouping based on date for all years

The isbetween function can also help simplify a lot of the logical indexing to pull out the ranges of interest. tt = readtime...

3 meses ago | 1

How to make the following code valid for tables not only matrices

There are a few ways to rework the indexing to work with tables. By the way, I'm not sure what the loop does (ied doesn't appear...

3 meses ago | 0

How do I find a single value by corresponding data in 2 different tables?

It sounds like you are trying to align these two things based on time? If so, check out the synchronize method of timetable. The...

7 meses ago | 0

Replace string values in a table

This is what categorical is built for! When you create the categorical, you can specify the data, value set, and category names....

7 meses ago | 0

How to extract table data based on column values?

One thing to watch out for is that the char vectors contained in the cell arrays (celltrs) can vary in the number of characters,...

7 meses ago | 0

| accepted

I want to separate each gait cycle and keep each cycle in a row of a table.

If you separate each cycle into a separat row, the rows will likely have data of different lengths, which then gets hard to work...

10 meses ago | 0

| accepted

Problem with datetime in German

We’re aware of the issues with parsing month abbreviations in some locales, and we're looking at ways to improve this. In this c...

10 meses ago | 1

Creating a for loop that goes through 12 month data in sets of 2

T = readtable('Levenmouth7MWTurbineData2019.csv') ; T.month = month(t.disc_TimeStamp); tiledlayout(3,2) for m = 1:2:12 m...

10 meses ago | 0

| accepted

Multi Row Tables / Combine information where row is equal?

You can use varfun to apply the cumsum function to each group defined by Parset1. Parset1=['A';'A';'B';'B']; Parset2=['x';'y';...

10 meses ago | 1

| accepted

Why am I getting the following datetime error message?

I think it's just a typo in your timestamp format spec: ss.sssZ should be ss.SSSZ

10 meses ago | 0

| accepted

How to make a new table from two different table with common value?

You should be able to use innerjoin on T1 and T2 - no need for C. The innerjoin function calculates the equivalent of C as an in...

alrededor de 1 año ago | 0

Summarize two tables of different data and dates into exact matches of one of the two datasets

Another way to solve this is to synchronize the lower-resolution chemistry timetable to the higher-resolution discharge data. My...

alrededor de 1 año ago | 0

How to handle NAN when summing

You can pass a flag to sum to 'omitnan'.

alrededor de 1 año ago | 0

| accepted

How to match trial number to time stamps given two sets of data?

Assuming your timestamps are durations (you probably want A to be a timetable with duration row times), you can use the isbetwee...

alrededor de 1 año ago | 0

| accepted

How can I compute the mean value over a time interval?

If you have, for example, data once per second for an hour and you want to calculate mean values for each minute, I'd recommend ...

más de 1 año ago | 0

Plot data from a table that has years in the rows and months in the columns

Here's another way to tackle this, sticking with using table to contain your data. t = readtable('NOAA_CPC_OceanicNinoIndex.xls...

más de 1 año ago | 0

Loop through date time heart rate data

Can you assume that the data is always sampled uniformly every 2 minutes? That can simplify things, but the code below should be...

más de 1 año ago | 0

create a 2 dimensional table from a table containing multidimensional entries

Check out the splitvars function.

más de 1 año ago | 0

Retime data aggregation for ID

Another approach is to unstack the timetable based on the sensor ID, so you'd have a wide timetable with separate variables temp...

más de 1 año ago | 0

Timetable - loop through days to check for a condition occurring during midday the day prior to midday of the current day

As a starting point, take a look at the retime function. I think the easiest way to do this is create a copy of the timetable,...

más de 1 año ago | 0

| accepted

How to plot the graph according to the time

Read the data in as a timetable, You can pull out all the data where the hour is 8 by doing: tt8 = tt(tt.Time.hour == 8, :) Th...

más de 1 año ago | 1

Compiled Function trying to access non-existent @tabular\hasvars.m method (matlab 2020a)

I looked into that warning, and you can safely ignore it. It is also not present in R2020b.

más de 1 año ago | 0

| accepted

Cumulative sum within group, reset when encounters a 0

It took me a while to come up with a way to do this without looping, then it clicked! You need to create groups based on where t...

más de 1 año ago | 0

How to combine two tables with measurements taken over the same range but different intervals?

This is a tricky problem. I agree that conceptually it seems like a join, but you don't have exact matches in start/end between ...

más de 1 año ago | 0