hello Daphne
I modified a bit your code - see the comments
only issue for me in line :
Monthly_Temp = accumarray(Hindd_ck, Daily_Data_this_year.Daily_T, [], @nanmean );
i could not make this work with "nanmean" so I changed to regular "mean"
hope it helps
Daily_Data = readtable('Daily_Data_Thessaloniki.xlsx');
DTindex = datenum(Daily_Data.year);
lim = min(DTindex);
Hindd = DTindex - lim +1;
YEAR = accumarray(Hindd, datenum(Daily_Data.year), [], @mean );
Deaths_allyears = accumarray(Hindd, Daily_Data.Daily_Deaths, [], @sum );
for ck=1:numel(YEAR)
ind = find(Hindd == ck); % this will give which rows to select in Daily_Data table for the "ck" year
Daily_Data_this_year = Daily_Data(ind,:); % extracted table for one (ck) single year
DTindex = datenum(Daily_Data_this_year.month); %Daily_Data.month should focus on each year separately within every loop
lim_ck = min(DTindex); % changed name to make sure not to overwritte a variable used before the for loop
Hindd_ck = DTindex - lim_ck +1; % changed name to make sure not to overwritte a variable used before the for loop
MONTH = accumarray(Hindd_ck, datenum(Daily_Data_this_year.month), [], @mean );%MONTH should focus on each year separately within every loop
Deaths_permonth = accumarray(Hindd_ck, Daily_Data_this_year.Daily_Deaths, [], @sum ); %Deaths_permonth should focus on each year separately within every loop
m = (1:12).';
% Monthly_Temp = accumarray(Hindd_ck, Daily_Data_this_year.Daily_T, [], @nanmean );%Monthly_Temp should focus on each year separately within every loop
Monthly_Temp = accumarray(Hindd_ck, Daily_Data_this_year.Daily_T, [], @mean );%Monthly_Temp should focus on each year separately within every loop
yyaxis left
figure(ck),plot(m,Deaths_permonth)
xlabel('Month'); xlim([1 12]); xticks([1 2 3 4 5 6 7 8 9 10 11 12]);
xticklabels({'Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'});
ylabel('Monthly Deaths')
yyaxis right
plot(m,Monthly_Temp)
ylabel('Temperature (oC)');
grid on;
title({'City-specific distribution of deaths by month and temperature', YEAR(ck)});
end
