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Error when i change value in slider

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Kelsey Pettrone
Kelsey Pettrone 2020-11-10
关闭： MATLAB Answer Bot 2021-8-20
An error comes up when i try to change the value of the slider in my app that says
"Error using bar (line 171)
When X is a scalar, Y must be a vector."
It works fine when i change the countries but when i change the year it doesnt work. I have attached the data that i am working off of, the app, and the full funtion file.
please let me know if you know why this error is coming up.
function deliverable1(app)
data = readtable('RiskFactorAnalysis (1).csv');
userinput = app.CountryDropDown.Value;
userinput2 = app.CountryDropDown_2.Value;
useryear = app.Slideryear.Value
ind = strcmp(data.Entity,userinput);
year = data.Year(ind);
deaths = data.Total_Deaths_per_100000(ind);
obesity = data.Obesity_Deaths_per_100000(ind);
Drug = data.Drug_Deaths_per_100000(ind);
Alcohol = data.Alcohol_Deaths_per_100000(ind);
smoking = data.Smoking_Deaths_per_100000(ind);
% Extract all info for userinput2
ind2 = strcmp(data.Entity,userinput2);
year2 = data.Year(ind2);
deaths2 = data.Total_Deaths_per_100000(ind2);
obesity2 = data.Obesity_Deaths_per_100000(ind2);
Drug2 = data.Drug_Deaths_per_100000(ind2);
Alcohol2 = data.Alcohol_Deaths_per_100000(ind2);
smoking2 = data.Smoking_Deaths_per_100000(ind2);
indY2 = year2==useryear; % again, use year2, not year
grid(app.Axes3,'on')
bpcombined = [obesity2, Drug2, Alcohol2, smoking2];
bar(app.Axes3,useryear,bpcombined(indY2,:),'grouped'); % Note that I am only plotting 1 row of bpcombined here
xlabel(app.Axes3,'year')
ylabel(app.Axes3,'deaths')
title(app.Axes3,userinput2)
legend(app.Axes3, 'Obesity', 'Drug', 'Alcohol', 'Smoking')

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