Cody

Problem 73. Replace NaNs with the number that appears to its left in the row.

Solution 1906072

Submitted on 20 Aug 2019
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Test Suite

Test Status Code Input and Output
1   Fail
x = [NaN 1 2 NaN 17 3 -4 NaN]; y_correct = [0 1 2 2 17 3 -4 -4]; assert(isequal(replace_nans(x),y_correct))

Undefined function or variable 'ans'. Error in replace_nans (line 2) fillmissing(fillmissing(ans, 'constant', 0), 'previous'); Error in Test1 (line 3) assert(isequal(replace_nans(x),y_correct))

2   Fail
x = [NaN 1 2 NaN NaN 17 3 -4 NaN]; y_correct = [ 0 1 2 2 2 17 3 -4 -4]; assert(isequal(replace_nans(x),y_correct))

Undefined function or variable 'ans'. Error in replace_nans (line 2) fillmissing(fillmissing(ans, 'constant', 0), 'previous'); Error in Test2 (line 3) assert(isequal(replace_nans(x),y_correct))

3   Fail
x = [NaN NaN NaN NaN]; y_correct = [ 0 0 0 0]; assert(isequal(replace_nans(x),y_correct))

Undefined function or variable 'ans'. Error in replace_nans (line 2) fillmissing(fillmissing(ans, 'constant', 0), 'previous'); Error in Test3 (line 3) assert(isequal(replace_nans(x),y_correct))

4   Fail
x = [1:10 NaN]; y_correct = [ 1:10 10]; assert(isequal(replace_nans(x),y_correct))

Undefined function or variable 'ans'. Error in replace_nans (line 2) fillmissing(fillmissing(ans, 'constant', 0), 'previous'); Error in Test4 (line 3) assert(isequal(replace_nans(x),y_correct))