# Devendra

Last seen: 3 mois il y a Actif depuis 2023

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Question

How do I read multiband envi generated image file into matlab?
I am reading the multiband envi generated image file into matlab by using following matlab code; img_path = 'C:\Image_Data\...

3 mois il y a | 1 réponse | 0

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Question

How to read multiband envi file into matlab?
I am using the following matlab syntex to read envi generated image file; img_path = 'C:\Data\' d = uigetdir(pwd, 'Se...

3 mois il y a | 1 réponse | 0

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Question

How to write output data in excel csv files?
My for loops are as follows; number of image files are 114 number of shape files are 242 for m = 1:length(imgfiles) for ...

3 mois il y a | 1 réponse | 0

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Question

How do I write multiple excel csv files in for loop?
My for loops are as follows; number of image files are 114 number of shape files are 242 for m = 1:length(imgfiles) for n = ...

3 mois il y a | 1 réponse | 0

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Question

how to open excel files and write data?
for m=1:mimgfiles for n=1:nshapefiles % Use the logical mask to extract data from ndvi image for villages ...

3 mois il y a | 1 réponse | 0

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Question

How do I complete my matlab code for a given formula.?
% This is done through k-Means clustering and binarization to derive a % binary classification of each parcel for cropland and...

3 mois il y a | 1 réponse | 0

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Question

How do I write a code for given formula?
This is done through k-Means clustering and binarization to derive a binary classification of each parcel for cropland and non-c...

3 mois il y a | 1 réponse | 0

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Question

Why R square value is coming negative ?
I am doing linear regression on PCA scores but my R square value is coming negative. I am attaching the code and input file. I w...

4 mois il y a | 1 réponse | 0

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Question

Error in fitlm function
I am using reg = fitlm(X_train, Y_train); But it gives following errors; Error in fitlm (line 122) model = LinearModel.fit(...

4 mois il y a | 1 réponse | 0

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Question

How to extract desired variables column data from a table?
I have the data in excel csv file with variable names as follows Var1 POSValue MAXSum AVGSum SOS POS EOS ...

4 mois il y a | 1 réponse | 0

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Question

How to generate different filename with each iteration of code?
I am using the following synetex of matlab code saveas(f, path + var + method + '.png'); where var and method are changing in...

4 mois il y a | 1 réponse | 0

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Question

Unrecognized table variable name 'act_y_ha'. in matlab code
I am getting following error in my matlab code. Error using {} Unrecognized table variable name 'act_y_ha'. Error in reg_al...

4 mois il y a | 1 réponse | 0

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Question

Error occurred in fitlm function.
Error using classreg.regr.TermsRegression.createFormula The terms matrix must have one column for each variable in the dataset ...

4 mois il y a | 1 réponse | 0

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Question

How to plot multiple time series data on single plot?
I want to plot multiple time series data on a single plot with legends just like attached plot. I am also attaching the sample ...

10 mois il y a | 1 réponse | 0

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Question

How to generate scatter plot similar to attached scatter plot?
I want to generate scatter plot over laid by the equation of fit and R^2 value. Also the x and y axis lables as attached pdf plo...

10 mois il y a | 1 réponse | 0

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Question

How to plot feature importance on x-axis and variable names on y-axis?
I wish to plot variables names on y-axis and feature importance on x-axis in Random Forest Regression. Also the variables on y-a...

11 mois il y a | 1 réponse | 0

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Question

How to assign value 2 for >=90 percentile and 1 for < 90 percentile in a single column matrix?
I have a column matrix of 414 elements. I want to replace these values in binary format with values greater than or equal to 90 ...

11 mois il y a | 2 réponses | 0

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Question

How to calculate 8 days mean from ten years data?
I have a code which calculates the 8days mean from single year. It computes 45 eight days from 45X8 = 360 days and last 8days me...

11 mois il y a | 2 réponses | 0

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Question

How to run Random Forest Classification code for my attached input file?
I have a file which contains normalized values between 0 to 1 for nine meteorological variables as predictors and 10th variable ...

12 mois il y a | 1 réponse | 0

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Question

How to compute 8 days mean from one year data?
I am using the following matlab code data_matrix=readtable('C:\matlab\sample.csv'); %disp(data_matrix) [ad,~,cd] = unique(dat...

12 mois il y a | 4 réponses | 0

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Question

How to increase font size confusionchart plot
I am using following MATLAB lines to draw confusion chart cm = confusionchart(Z,ZZ,'RowSummary','row-normalized','ColumnSummary...

12 mois il y a | 1 réponse | 0

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Question

How to put 8 variables into a single matrix?
I have 8 variables each of them having dimension(65,1). I want to put them in a matrix of dimension(65,8). Please suggest me how...

12 mois il y a | 2 réponses | 0

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Question

mean of all these variables over latitude x longitude x time that is (5 x 5 x 2)
I have eight variables loaded with data (latitude,longitude,time,months) as (5,5,2,65). I want to calculate the mean of all thes...

12 mois il y a | 5 réponses | 0

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Question

spatial and temporal mean of ERA5 monthly data
I wish to calculate the spatial and temporal mean of temperature of ERA5 monthly reanalysis data. Data has dimension (lat,lon,ti...

12 mois il y a | 1 réponse | 0

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Question

I wish to calculate the mean values of temperature over the latxlon grid and only for 12GMT for all the 65 months using matlab code.
I have a data with dimension (lat,lon,time,months) as (5,5,2,65) number of latitude =5 number of longitude =5 time = 1 for 00...

12 mois il y a | 2 réponses | 0

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