pub fn mean_absolute_error(expected: &[f64], estimated: &[f64]) -> f64Expand description
Get the mean absolute error between two vectors
Examples found in repository?
examples/narma.rs (lines 114-117)
102fn get_error_rate(
103 estimated_output: Vec<Vec<f64>>,
104 expected_output: Vec<Vec<f64>>,
105 ignore_bits: usize,
106) -> (f64, f64) {
107 let estimated_output = estimated_output.iter().map(|x| x[0]).collect::<Vec<f64>>();
108 let expected_output = expected_output.into_iter().flatten().collect::<Vec<f64>>();
109
110 let mse = mean_squared_error(
111 &expected_output[ignore_bits..],
112 &estimated_output[ignore_bits..],
113 );
114 let mae = mean_absolute_error(
115 &expected_output[ignore_bits..],
116 &estimated_output[ignore_bits..],
117 );
118
119 (mse, mae)
120}More examples
examples/xor.rs (lines 119-122)
98fn get_bits_error_rate(
99 estimated_output: Vec<Vec<f64>>,
100 expected_output: Vec<Vec<f64>>,
101 ignore_bits: usize,
102) -> (f64, f64) {
103 let mut y_tested_binary = vec![0.0; estimated_output.len()];
104
105 for (n, estimated) in estimated_output.iter().enumerate() {
106 if estimated[0] > 0.5 {
107 y_tested_binary[n] = 1.0;
108 } else {
109 y_tested_binary[n] = 0.0;
110 }
111 }
112
113 let expected_output = expected_output.into_iter().flatten().collect::<Vec<f64>>();
114
115 let mse = mean_squared_error(
116 &expected_output[ignore_bits..],
117 &y_tested_binary[ignore_bits..],
118 );
119 let mae = mean_absolute_error(
120 &expected_output[ignore_bits..],
121 &y_tested_binary[ignore_bits..],
122 );
123
124 (mse, mae)
125}
126
127fn get_error_rate(
128 estimated_output: Vec<Vec<f64>>,
129 expected_output: Vec<Vec<f64>>,
130 ignore_bits: usize,
131) -> (f64, f64) {
132 let estimated_output = estimated_output.iter().map(|x| x[0]).collect::<Vec<f64>>();
133 let expected_output = expected_output.into_iter().flatten().collect::<Vec<f64>>();
134
135 let mse = mean_squared_error(
136 &expected_output[ignore_bits..],
137 &estimated_output[ignore_bits..],
138 );
139 let mae = mean_absolute_error(
140 &expected_output[ignore_bits..],
141 &estimated_output[ignore_bits..],
142 );
143
144 (mse, mae)
145}