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desert_scientist90


Last seen: 2年以上 前 |  2019 年からアクティブ

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Graduate research assistant in environmental health sciences

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質問


How to add a second Y axis to a bar chart?
Hi all , I am trying to make a bar chart with readings of particulate matter. Since one of my observations is an outlier my grap...

4年以上 前 | 1 件の回答 | 0

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質問


Adding time (time stamp) to observations
Hi I have a quesion regarding the creation of a time variable with increments of every 10 seconds ( I am trying to do a time ser...

4年以上 前 | 1 件の回答 | 0

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質問


How to loop time ( hours and minutes ) in a data set
Hi all, I am working with a 264,xxx *12 dataset, I imported them to matlab as column vectors due to the nature of the sampling ...

4年以上 前 | 1 件の回答 | 0

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質問


selecting rows from column vectors
Hi all, I have 10 column vectors with 52,520 observations. I want to extract expecfic observation rows per column vectors, I am ...

4年以上 前 | 1 件の回答 | 0

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質問


Obslabel error when using biplot
Hi I have a biplot with the PCA results from 9 houses and 14 variables. I am trying to label my scores with the correspondent ch...

5年弱 前 | 1 件の回答 | 0

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質問


Biplot label error after following matlab help guide
Hi I am trying to display the results of my PCA analysis on a biplot by following the example on https://www.mathworks.com/help/...

5年弱 前 | 1 件の回答 | 0

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質問


Time stamp for discrete Fourier transform
Hi all, I am trying to create a time stamp for my weather data. I took my readings every three hours for simplicity sake lets s...

5年弱 前 | 1 件の回答 | 0

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質問


How to add plot points in my map?
Hi all I am trying learn how to do a map with the air stations located on Pima county. I have the county already my question is...

5年弱 前 | 1 件の回答 | 0

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質問


How to map US cities in matlab using mapping toolbox?
Hi All, I am trying to do a map from the city of Tucson in matlab. So far no luck I was looking on the examples for USAmaps ...

5年弱 前 | 1 件の回答 | 0

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質問


How to manipulate matrices to get the same dimensions?
Hi I am trying to perform a regression analysis between two matrices. The first one has the dimensions of 145*35*40 when reshape...

5年弱 前 | 1 件の回答 | 0

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質問


normalize values from svd matrix
Hi all, I am working with SVD analysis and I got my principal component values on U ( this is from the routine [u,s,v]=svd(x)) ...

約5年 前 | 1 件の回答 | 0

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質問


Unable to perform assignment because brace indexing is not supported for variables of this type
Hi all I am trying to compute the local significance at each grid point of my data set by using a student's t-test. If I run ...

約5年 前 | 0 件の回答 | 0

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質問


T-test cutoff
Hi all, I am currently working with a data set that will be displayed on a map. After I calculated the t-value I decided that ...

約5年 前 | 1 件の回答 | 0

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質問


Error when building a array code
Hi I all, I am new to matlab I am trying to display the result of zm3(result from the high composite-low/2) at each grid point...

約5年 前 | 1 件の回答 | 0

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質問


Help doing array to display values on map
Hi I am trying to do an array that will calculate the mean value of the high composite minus the low composite divided by two. ...

約5年 前 | 0 件の回答 | 0

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質問


Adding and subtracting values inside tables
Hi all, I have to tables one with the high values in x= amount of years , the other table with the low values for x= amount of...

約5年 前 | 1 件の回答 | 0

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質問


How to get rid of Nan when calculating mean
Hi I am trying to get rid of the nan's on my mean calculation, if I keep them I wont be able to calculate z-scores. I was using ...

約5年 前 | 3 件の回答 | 0

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回答

質問


Calculating anomalies to create a map
Hi all, I have the zscores for the years with high precipitation and low precipitation I am trying to calculate the difference ...

約5年 前 | 1 件の回答 | 0

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質問


Getting the low and high years
Hi I have a table with z-scores per year, I am trying to get the z-scores with values greater that 1 and lower than -1. How can ...

約5年 前 | 1 件の回答 | 0

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質問


Adding years to matrix
Hi all, I am newbie on matlab, I have a dataset for precipitation with a grid of 0.5 spacing x=141, y=71 and t=38. I calculate...

約5年 前 | 0 件の回答 | 0

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質問


Stuck in endless loop
Hi all, I am learning matlab thru practice and patience. I am trying to create a loop to get the mean of a precipitation datas...

約5年 前 | 1 件の回答 | 0

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質問


Calculating the average every three months
Hi all, I leaning matlab thru practice and patience, I have the following dataset with sunspot observations for 38 years. I am t...

約5年 前 | 1 件の回答 | 0

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質問


Mean of the third dimension
Hi I an new to matlab and learning thru practice and patience. I have a data set with for precipitation containing data for 37 y...

約5年 前 | 2 件の回答 | 0

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質問


Z- score of a multidimensional array
Hi I am new to matlab. I have a data set on a grid at 0.5 with x 141 y, 71 and x38. I am trying to get z scores for this multidi...

約5年 前 | 0 件の回答 | 0

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質問


Finding high and low z cores on a data set
Hi I have a data set on a 0.5 grid, the dimension for x is 141, y is 71 and t is 38. I got the z scores and I squeeze them to ge...

約5年 前 | 0 件の回答 | 0

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回答済み
Question regarding data grid
I am trying to have one line for the 38 years which I got earlier but with the frequency which is 2698 instead of the years. Whe...

約5年 前 | 0

質問


Question regarding data grid
Hi I have a data set on a 0.5 grid, the dimension for x is 141, y is 71 and t is 38. I am trying to calculate the z score which ...

約5年 前 | 2 件の回答 | 0

2

回答

質問


data import error in line 1
Hi I am trying to import a excel document to matlab by using the code below. However I am getting the message error in line one....

約5年 前 | 1 件の回答 | 0

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質問


Error Histfit too many arguments
Hi I am trying to overlay a normal distribution and a gamma distribution in the same histogram. I am using the following code wh...

約5年 前 | 1 件の回答 | 0

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質問


zeros in data for gamma distribution
Hi, I am working with a large weather data set. I am trying to create a histogram with a gamma distrubution. This is not possibl...

約5年 前 | 1 件の回答 | 0

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