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Commit 3e91a689 authored by 39781cc7cca0dc30af9d6060ede9947c's avatar 39781cc7cca0dc30af9d6060ede9947c
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Précisions sur les IC (avec nouveau code séparé pour essai)

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module3/exo3/Essai_CI_band.ipynb 0 → 100644
View file @ 3e91a689
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module3/exo3/exercice.ipynb
View file @ 3e91a689
...@@ -385,7 +385,7 @@ ...@@ -385,7 +385,7 @@
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...@@ -492,11 +492,11 @@ ...@@ -492,11 +492,11 @@
"name": "stdout", "name": "stdout",
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"text": [ "text": [
"Requirement already satisfied: lmfit in /opt/conda/lib/python3.6/site-packages (1.0.0)\n", "Requirement already satisfied: lmfit in /opt/conda/lib/python3.6/site-packages (1.0.0)\r\n",
"Requirement already satisfied: scipy>=1.2 in /opt/conda/lib/python3.6/site-packages (from lmfit) (1.4.1)\n", "Requirement already satisfied: asteval>=0.9.16 in /opt/conda/lib/python3.6/site-packages (from lmfit) (0.9.18)\r\n",
"Requirement already satisfied: uncertainties>=3.0.1 in /opt/conda/lib/python3.6/site-packages (from lmfit) (3.1.2)\n", "Requirement already satisfied: numpy>=1.16 in /opt/conda/lib/python3.6/site-packages (from lmfit) (1.18.2)\r\n",
"Requirement already satisfied: numpy>=1.16 in /opt/conda/lib/python3.6/site-packages (from lmfit) (1.18.2)\n", "Requirement already satisfied: scipy>=1.2 in /opt/conda/lib/python3.6/site-packages (from lmfit) (1.4.1)\r\n",
"Requirement already satisfied: asteval>=0.9.16 in /opt/conda/lib/python3.6/site-packages (from lmfit) (0.9.18)\n" "Requirement already satisfied: uncertainties>=3.0.1 in /opt/conda/lib/python3.6/site-packages (from lmfit) (3.1.2)\r\n"
] ]
} }
], ],
...@@ -516,6 +516,7 @@ ...@@ -516,6 +516,7 @@
"source": [ "source": [
"# Import des librairies\n", "# Import des librairies\n",
"from lmfit.models import QuadraticModel, Model\n", "from lmfit.models import QuadraticModel, Model\n",
"import lmfit\n",
"from sklearn.metrics import r2_score" "from sklearn.metrics import r2_score"
] ]
}, },
...@@ -567,41 +568,58 @@ ...@@ -567,41 +568,58 @@
}, },
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"execution_count": 11, "execution_count": 37,
"metadata": {
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"outputs": [],
"source": [
"# Mise en dictionnaire des meilleures paramètres calculés\n",
"coeffs_long_trend = result_long_trend.params.valuesdict() "
]
},
{
"cell_type": "code",
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"metadata": { "metadata": {
"hideCode": true,
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{ {
"data": { "name": "stdout",
"text/plain": [ "output_type": "stream",
"OrderedDict([('a', 0.012977452801551667),\n", "text": [
" ('b', 0.7677869942992783),\n", "[[Variables]]\n",
" ('c', 314.5704951470056)])" " a: 0.01297745 +/- 1.4176e-04 (1.09%) (init = 0.01297745)\n",
" b: 0.76778699 +/- 0.00913468 (1.19%) (init = 0.767787)\n",
" c: 314.570495 +/- 0.12419930 (0.04%) (init = 314.5705)\n",
"[[Correlations]] (unreported correlations are < 0.100)\n",
" C(a, b) = -0.969\n",
" C(b, c) = -0.873\n",
" C(a, c) = 0.756\n"
] ]
},
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
} }
], ],
"source": [ "source": [
"# Affichage des meilleures paramètres calculés\n", "#Affichage des meilleures paramètres calculés avec les intervalles de confiances\n",
"coeffs_long_trend = result_long_trend.params.valuesdict()\n", "print(lmfit.fit_report(result_long_trend.params))"
"coeffs_long_trend "
] ]
}, },
{ {
"cell_type": "markdown", "cell_type": "markdown",
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"source": [ "source": [
"Ci-dessus, les différents paramètres de la courbe d'ajustement à long terme (fonction quadratique)." "Ci-dessus, les différents paramètres de la courbe d'ajustement à long terme (fonction quadratique)."
] ]
}, },
{ {
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...@@ -643,7 +661,7 @@ ...@@ -643,7 +661,7 @@
"0.9936252499490063" "0.9936252499490063"
] ]
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...@@ -714,6 +732,16 @@ ...@@ -714,6 +732,16 @@
"fig.tight_layout()" "fig.tight_layout()"
] ]
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{
"cell_type": "markdown",
"metadata": {
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"source": [
"L'intervalle de confiance de la courbe ajustée n'est pas tracée sur les graphes précédents car il est très etroit. \n",
"Celui-ci dégraderait la lisibilité des graphiques."
]
},
{ {
"cell_type": "markdown", "cell_type": "markdown",
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...@@ -758,10 +786,10 @@ ...@@ -758,10 +786,10 @@
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"data": { "data": {
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...@@ -810,7 +838,7 @@ ...@@ -810,7 +838,7 @@
}, },
{ {
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...@@ -823,7 +851,7 @@ ...@@ -823,7 +851,7 @@
}, },
{ {
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...@@ -838,28 +866,38 @@ ...@@ -838,28 +866,38 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
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"metadata": {
"hideOutput": true,
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"outputs": [],
"source": [
"# Affichage des meilleures paramètres calculés\n",
"coeffs_seasonal_oscillation = result_seasonal_oscillation.params.valuesdict()"
]
},
{
"cell_type": "code",
"execution_count": 22,
"metadata": { "metadata": {
"hidePrompt": true "hidePrompt": true
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"outputs": [ "outputs": [
{ {
"data": { "name": "stdout",
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"OrderedDict([('amp', 2.5022539354204705),\n", "text": [
" ('freq', 1.0044805631567757),\n", "[[Variables]]\n",
" ('shift', 316.19947719002874)])" " amp: 2.50225394 +/- 0.03484620 (1.39%) (init = 7)\n",
" freq: 1.00448056 +/- 6.1469e-05 (0.01%) (init = 1)\n",
" shift: 316.199477 +/- 0.02463756 (0.01%) (init = 0)\n"
] ]
},
"execution_count": 20,
"metadata": {},
"output_type": "execute_result"
} }
], ],
"source": [ "source": [
"# Affichage des meilleures paramètres calculés\n", "#Affichage des meilleures paramètres calculés avec les intervalles de confiances\n",
"coeffs_seasonal_oscillation = result_seasonal_oscillation.params.valuesdict()\n", "print(lmfit.fit_report(result_seasonal_oscillation.params))"
"coeffs_seasonal_oscillation"
] ]
}, },
{ {
...@@ -871,12 +909,14 @@ ...@@ -871,12 +909,14 @@
"Avec ces résulats nous pouvons caractériser l'oscillation saisonnière comme suit :\n", "Avec ces résulats nous pouvons caractériser l'oscillation saisonnière comme suit :\n",
"- +/- 2.5 *ppm* sur une année.\n", "- +/- 2.5 *ppm* sur une année.\n",
"- Une féquence de 1 année pour chaque oscillation. Ce qui conforme aux observations.\n", "- Une féquence de 1 année pour chaque oscillation. Ce qui conforme aux observations.\n",
"- Un décalage de 316.20 *ppm* qui correspond à la première mesure de la base de données." "- Un décalage de 316.20 *ppm* qui correspond à la première mesure de la base de données. \n",
"\n",
"Les intervalles de confiance sont là aussi très restreints. Nous faisons le choix de ne pas les représenter sur les graphiques à venir."
] ]
}, },
{ {
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...@@ -891,7 +931,7 @@ ...@@ -891,7 +931,7 @@
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...@@ -903,7 +943,7 @@ ...@@ -903,7 +943,7 @@
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...@@ -912,10 +952,10 @@ ...@@ -912,10 +952,10 @@
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...@@ -1000,10 +1040,10 @@ ...@@ -1000,10 +1040,10 @@
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...@@ -1050,7 +1090,7 @@ ...@@ -1050,7 +1090,7 @@
"0.997596462036615" "0.997596462036615"
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...@@ -1102,7 +1142,7 @@ ...@@ -1102,7 +1142,7 @@
"(52,)" "(52,)"
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"425.0" "425.0"
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...@@ -1281,7 +1321,7 @@ ...@@ -1281,7 +1321,7 @@
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...@@ -1335,7 +1375,8 @@ ...@@ -1335,7 +1375,8 @@
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"source": [ "source": [
"Ci-dessus la prédiction pour l'année 2025 complète (courbe verte) et sa tendance à long terme (courbe orange)." "Ci-dessus la prédiction pour l'année 2025 complète (courbe verte) et sa tendance à long terme (courbe orange). \n",
"Pour assurer une bonne lisibilité du graphique, les intervalles de confiance (très étroits) ne sont pas représentés."
] ]
}, },
{ {
......
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