I am trying to pass a string variable to a custom function to rename a table column title.
My code is below:
temperature = 'OPC.Temperature.BottomTemperature';temp_column_name = 'Temperature';%extract bottom temperature data
data_temp = dataextract(data_temp,temperature,temp_column_name);
Below is the function:
function [ data ] = dataextract( data_array,variable,column_name ) %remove all rows not containing variable in column 2
data_string = variable; data_comp = strcmp(data_array(:,2),data_string); data_comp = ~data_comp; data_array(data_comp,:) = []; %remove extra information from columns 3 & 4 from data array
data_array(:,(2:4)) = []; %convert data_array cell array to table
data_array = array2table(data_array,'VariableNames',{'TimeStamp', column_name}); %convert timestamp string to datetime
data_array.TimeStamp = datetime(data_array.TimeStamp,'InputFormat','yyyy-MM-dd HH:mm:ss.SSS'); %convert beam current string to double precision value
data_array.column_name = str2double(data_array.column_name); data = data_array; end
I tried to initially just pass 'Temperature' in the function but that would not work and now a variable won't pass either. Below is my error:
Error using dataextract (line 18)Unrecognized variable name 'column_name'.Error in parser_test (line 38)data_temp = dataextract(data_temp,temperature,temp_column_name);
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