fixed bug with 1d (#421)

* fixed bug with 1d

* typo

* typo

* julia formatting removes [x;;] to [x] notation...

* run format

Author: odunbar

src/Utilities.jl

@@ -1163,7 +1163,7 @@ function create_noise_injector(
     end
 
     C = cov(prior)
-    m = reshape(mean(prior), :, 1)
+    m = (ndims(prior) > 1) ? reshape(mean(prior), :, 1) : fill(mean(prior), 1, 1)
     E = Matrix(E)
 
     enc_m = E * m + b

test/MarkovChainMonteCarlo/runtests.jl

@@ -8,6 +8,7 @@ using CalibrateEmulateSample.EnsembleKalmanProcesses
 using CalibrateEmulateSample.MarkovChainMonteCarlo
 const MCMC = MarkovChainMonteCarlo
 using CalibrateEmulateSample.ParameterDistributions
+const PD = ParameterDistributions
 using CalibrateEmulateSample.Emulators
 using CalibrateEmulateSample.DataContainers
 using CalibrateEmulateSample.Utilities
@@ -624,6 +625,20 @@ end
         @test noise_injector.use_noise # check for noise_injector_threshold
         @test noise_injector.scaling == 0.5
 
+        # check 1D
+        input_dim = 1
+        n_samples = 10
+        prior_1d = constrained_gaussian("1d-check", 0, 1, -Inf, 5)
+        in_data = PD.sample(prior_1d, n_samples)
+        out_data = PD.sample(prior_1d, n_samples)
+        io_pairs_1d = PairedDataContainer(in_data, out_data, data_are_columns = true)
+
+        # lossless encoding
+        lossless_sch = create_encoder_schedule((minmax_scale(), "in"))
+        initialize_and_encode_with_schedule!(lossless_sch, io_pairs_1d; prior_cov = cov(prior_1d))
+
+        noise_injector = create_noise_injector(lossless_sch, prior_1d, 0.0, 0.5)
+
 
     end