From 170f9734b70532e3bb89be0242d75257b06392e4 Mon Sep 17 00:00:00 2001
From: Olivier Sprangers <45119856+elephaint@users.noreply.github.com>
Date: Wed, 9 Oct 2024 16:07:48 +0200
Subject: [PATCH 1/2] [FIX] MLPMultivariate incorrect static_exog parsing
 (#1170)

---
 nbs/models.mlpmultivariate.ipynb         | 8 +++++++-
 neuralforecast/models/mlpmultivariate.py | 6 +++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/nbs/models.mlpmultivariate.ipynb b/nbs/models.mlpmultivariate.ipynb
index abfefc1e6..ad1a08f47 100644
--- a/nbs/models.mlpmultivariate.ipynb
+++ b/nbs/models.mlpmultivariate.ipynb
@@ -210,7 +210,11 @@
     "            x = torch.cat(( x, futr_exog.reshape(batch_size, -1) ), dim=1)\n",
     "\n",
     "        if self.stat_exog_size > 0:\n",
-    "            x = torch.cat(( x, stat_exog.reshape(batch_size, -1) ), dim=1)\n",
+    "            stat_exog = stat_exog.reshape(-1)                   #   [N, S] -> [N * S]\n",
+    "            stat_exog = stat_exog.unsqueeze(0)\\\n",
+    "                                 .repeat(batch_size, \n",
+    "                                         1)                     #   [N * S] -> [B, N * S]            \n",
+    "            x = torch.cat((x, stat_exog), dim=1)\n",
     "\n",
     "        for layer in self.mlp:\n",
     "             x = torch.relu(layer(x))\n",
@@ -362,6 +366,8 @@
     "model = MLPMultivariate(h=12, \n",
     "            input_size=24,\n",
     "            n_series=2,\n",
+    "            stat_exog_list=['airline1'],\n",
+    "            futr_exog_list=['trend'],            \n",
     "            loss = MAE(),\n",
     "            scaler_type='robust',\n",
     "            learning_rate=1e-3,\n",
diff --git a/neuralforecast/models/mlpmultivariate.py b/neuralforecast/models/mlpmultivariate.py
index 19cb15eea..4682174e0 100644
--- a/neuralforecast/models/mlpmultivariate.py
+++ b/neuralforecast/models/mlpmultivariate.py
@@ -160,7 +160,11 @@ def forward(self, windows_batch):
             x = torch.cat((x, futr_exog.reshape(batch_size, -1)), dim=1)
 
         if self.stat_exog_size > 0:
-            x = torch.cat((x, stat_exog.reshape(batch_size, -1)), dim=1)
+            stat_exog = stat_exog.reshape(-1)  #   [N, S] -> [N * S]
+            stat_exog = stat_exog.unsqueeze(0).repeat(
+                batch_size, 1
+            )  #   [N * S] -> [B, N * S]
+            x = torch.cat((x, stat_exog), dim=1)
 
         for layer in self.mlp:
             x = torch.relu(layer(x))

From 137e3a88220a84ec5f7cce04429be68c5e62bbe0 Mon Sep 17 00:00:00 2001
From: AzulGarza <fede.garza.ramirez@gmail.com>
Date: Wed, 9 Oct 2024 23:57:48 -0700
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=92=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .all-contributorsrc | 6 +++---
 README.md           | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.all-contributorsrc b/.all-contributorsrc
index 75d075f0f..b0c0d1d76 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -6,10 +6,10 @@
   "commit": false,
   "contributors": [
     {
-      "login": "FedericoGarza",
-      "name": "fede",
+      "login": "AzulGarza",
+      "name": "azul",
       "avatar_url": "https://avatars.githubusercontent.com/u/10517170?v=4",
-      "profile": "https://github.com/FedericoGarza",
+      "profile": "https://github.com/AzulGarza",
       "contributions": [
         "code",
         "maintenance"
diff --git a/README.md b/README.md
index 6039ea086..d132c8a1b 100644
--- a/README.md
+++ b/README.md
@@ -115,7 +115,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 <table>
   <tbody>
     <tr>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/AzulGarza"><img src="https://avatars.githubusercontent.com/u/10517170?v=4?s=100" width="100px;" alt="Azul"/><br /><sub><b>fede</b></sub></a><br /><a href="https://github.com/Nixtla/neuralforecast/commits?author=AzulGarza" title="Code">💻</a> <a href="#maintenance-AzulGarza" title="Maintenance">🚧</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/AzulGarza"><img src="https://avatars.githubusercontent.com/u/10517170?v=4?s=100" width="100px;" alt="azul"/><br /><sub><b>azul</b></sub></a><br /><a href="https://github.com/Nixtla/neuralforecast/commits?author=AzulGarza" title="Code">💻</a> <a href="#maintenance-AzulGarza" title="Maintenance">🚧</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/cchallu"><img src="https://avatars.githubusercontent.com/u/31133398?v=4?s=100" width="100px;" alt="Cristian Challu"/><br /><sub><b>Cristian Challu</b></sub></a><br /><a href="https://github.com/Nixtla/neuralforecast/commits?author=cchallu" title="Code">💻</a> <a href="#maintenance-cchallu" title="Maintenance">🚧</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/jmoralez"><img src="https://avatars.githubusercontent.com/u/8473587?v=4?s=100" width="100px;" alt="José Morales"/><br /><sub><b>José Morales</b></sub></a><br /><a href="https://github.com/Nixtla/neuralforecast/commits?author=jmoralez" title="Code">💻</a> <a href="#maintenance-jmoralez" title="Maintenance">🚧</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/mergenthaler"><img src="https://avatars.githubusercontent.com/u/4086186?v=4?s=100" width="100px;" alt="mergenthaler"/><br /><sub><b>mergenthaler</b></sub></a><br /><a href="https://github.com/Nixtla/neuralforecast/commits?author=mergenthaler" title="Documentation">📖</a> <a href="https://github.com/Nixtla/neuralforecast/commits?author=mergenthaler" title="Code">💻</a></td>