From e7d8fe26acad8529014eee2dbfd6f28fbcac7b06 Mon Sep 17 00:00:00 2001 From: Stefano Pigozzi Date: Sat, 13 Mar 2021 14:57:49 +0100 Subject: [PATCH] =?UTF-8?q?=F0=9F=92=A1=20Solve=20the=20mystery=20of=20the?= =?UTF-8?q?=20empty=20structures?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- pandasdmx.ipynb | 86 ++++++++++++++++++++++++++----------------------- 1 file changed, 45 insertions(+), 41 deletions(-) diff --git a/pandasdmx.ipynb b/pandasdmx.ipynb index ea5fdf4..d6a7381 100644 --- a/pandasdmx.ipynb +++ b/pandasdmx.ipynb @@ -6,7 +6,8 @@ "# PandaSDMX\n", "\n", "- [Documentazione aggiornata (v1.4.1)](https://pandasdmx.readthedocs.io/en/latest/)\n", - "- [Esempio approfondito (ma non troppo aggiornato)](https://pandasdmx.readthedocs.io/en/latest/walkthrough.html#sdmx-workflow)" + "- [Esempio breve (con poche spiegazioni)](https://pandasdmx.readthedocs.io/en/master/example.html)\n", + "- [Esempio approfondito (ma non troppo aggiornato)](https://pandasdmx.readthedocs.io/en/latest/walkthrough.html)" ], "metadata": { "collapsed": false, @@ -42,14 +43,14 @@ "Requirement already satisfied: requests>=2.7 in ./venv/lib/python3.9/site-packages (from pandasdmx) (2.25.1)\r\n", "Requirement already satisfied: lxml>=3.6 in ./venv/lib/python3.9/site-packages (from pandasdmx) (4.6.2)\r\n", "Requirement already satisfied: pandas>=1.0 in ./venv/lib/python3.9/site-packages (from pandasdmx) (1.2.3)\r\n", - "Requirement already satisfied: pytz>=2017.3 in ./venv/lib/python3.9/site-packages (from pandas>=1.0->pandasdmx) (2021.1)\r\n", "Requirement already satisfied: numpy>=1.16.5 in ./venv/lib/python3.9/site-packages (from pandas>=1.0->pandasdmx) (1.20.1)\r\n", "Requirement already satisfied: python-dateutil>=2.7.3 in ./venv/lib/python3.9/site-packages (from pandas>=1.0->pandasdmx) (2.8.1)\r\n", + "Requirement already satisfied: pytz>=2017.3 in ./venv/lib/python3.9/site-packages (from pandas>=1.0->pandasdmx) (2021.1)\r\n", "Requirement already satisfied: six>=1.5 in ./venv/lib/python3.9/site-packages (from python-dateutil>=2.7.3->pandas>=1.0->pandasdmx) (1.15.0)\r\n", - "Requirement already satisfied: idna<3,>=2.5 in ./venv/lib/python3.9/site-packages (from requests>=2.7->pandasdmx) (2.10)\r\n", - "Requirement already satisfied: certifi>=2017.4.17 in ./venv/lib/python3.9/site-packages (from requests>=2.7->pandasdmx) (2020.12.5)\r\n", + "Requirement already satisfied: chardet<5,>=3.0.2 in ./venv/lib/python3.9/site-packages (from requests>=2.7->pandasdmx) (4.0.0)\r\n", "Requirement already satisfied: urllib3<1.27,>=1.21.1 in ./venv/lib/python3.9/site-packages (from requests>=2.7->pandasdmx) (1.26.3)\r\n", - "Requirement already satisfied: chardet<5,>=3.0.2 in ./venv/lib/python3.9/site-packages (from requests>=2.7->pandasdmx) (4.0.0)\r\n" + "Requirement already satisfied: idna<3,>=2.5 in ./venv/lib/python3.9/site-packages (from requests>=2.7->pandasdmx) (2.10)\r\n", + "Requirement already satisfied: certifi>=2017.4.17 in ./venv/lib/python3.9/site-packages (from requests>=2.7->pandasdmx) (2020.12.5)\r\n" ] } ], @@ -95,7 +96,8 @@ "# Per type annotations\n", "import pandasdmx.message\n", "import pandasdmx.model\n", - "import pandasdmx.source" + "import pandasdmx.source\n", + "import pandasdmx.source.estat" ], "metadata": { "collapsed": false, @@ -122,7 +124,7 @@ "outputs": [ { "data": { - "text/plain": "" + "text/plain": "" }, "execution_count": 3, "metadata": {}, @@ -130,6 +132,7 @@ } ], "source": [ + "# Crea un \"client\" di comunicazione SDMX-ML con Eurostat\n", "eurostat: pandasdmx.Request = pandasdmx.Request(\"ESTAT\")\n", "eurostat" ], @@ -158,7 +161,7 @@ "outputs": [ { "data": { - "text/plain": "\n
\n id: 'IDREF351597'\n prepared: '2021-03-12T10:31:59.307000+00:00'\n receiver: \n sender: \n source: \n test: False\n response: \n DataflowDefinition (6573): DS-018995 DS-022469 DS-032655 DS-043227 DS...\n DataStructureDefinition (6573): DSD_DS-018995 DSD_DS-022469 DSD_DS-03..." + "text/plain": "\n
\n id: 'IDREF372221'\n prepared: '2021-03-13T13:41:50.771000+00:00'\n receiver: \n sender: \n source: \n test: False\n response: \n DataflowDefinition (6573): DS-018995 DS-022469 DS-032655 DS-043227 DS...\n DataStructureDefinition (6573): DSD_DS-018995 DSD_DS-022469 DSD_DS-03..." }, "execution_count": 4, "metadata": {}, @@ -168,8 +171,8 @@ "source": [ "# Scarica i metadati di TUTTI dataflow disponibili su Eurostat\n", "# Ci mette qualche minuto: i dataflow sono 6573!\n", - "flow_msg: pandasdmx.message.Message = eurostat.dataflow()\n", - "flow_msg" + "all_flows_msg: pandasdmx.message.Message = eurostat.dataflow()\n", + "all_flows_msg" ], "metadata": { "collapsed": false, @@ -182,10 +185,10 @@ "cell_type": "code", "source": [ "# Convertiamo i risultati in due Series di pandas, una con i dataflow e una con la loro relativa struttura\n", - "_dict: dict[str, pandas.Series] = flow_msg.to_pandas()\n", - "dataflows = _dict[\"dataflow\"]\n", - "structure = _dict[\"structure\"]\n", - "dataflows, structure" + "_dict: dict[str, pandas.Series] = all_flows_msg.to_pandas()\n", + "all_flows: pandas.Series = _dict[\"dataflow\"]\n", + "all_structs: pandas.Series = _dict[\"structure\"]\n", + "all_flows, all_structs" ], "metadata": { "collapsed": false, @@ -193,13 +196,13 @@ "name": "#%%\n" } }, - "execution_count": 13, + "execution_count": 5, "outputs": [ { "data": { "text/plain": "(DS-018995 EU trade since 1988 by SITC\n DS-022469 EXTRA EU trade since 1999 by mode of transport...\n DS-032655 EU trade since 1988 by BEC\n DS-043227 EFTA trade since 1995 by SITC\n DS-066341 Sold production, exports and imports by PRODCO...\n ... \n yth_incl_120 Young people living in households with very lo...\n yth_part_010 Frequency of getting together with relatives o...\n yth_part_020 Frequency of contacts with relatives or friend...\n yth_part_030 Participation of young people in activities of...\n yth_volunt_010 Participation of young people in informal volu...\n Length: 6573, dtype: object,\n DSD_DS-018995 \n DSD_DS-022469 \n DSD_DS-032655 \n DSD_DS-043227 \n DSD_DS-066341 \n ..\n DSD_yth_incl_120 \n DSD_yth_part_010 \n DSD_yth_part_020 \n DSD_yth_part_030 \n DSD_yth_volunt_010 \n Length: 6573, dtype: object)" }, - "execution_count": 13, + "execution_count": 5, "metadata": {}, "output_type": "execute_result" } @@ -207,22 +210,22 @@ }, { "cell_type": "code", - "execution_count": 17, + "execution_count": 6, "outputs": [ { "data": { "text/plain": "educ_enrl1ad Students by ISCED level, study intensity and sex\neduc_enrl1at Students by ISCED level, type of institution a...\neduc_enrl1tl Students by ISCED level, age and sex\neduc_enrl5 Tertiary students (ISCED 5-6) by field of educ...\neduc_enrl6 Tertiary students (ISCED 5-6) non-citizens, n...\neduc_enrl8 Tertiary students (ISCED 5-6) by country of ci...\neduc_enrllng1 Students in ISCED 1-3 by modern foreign langua...\neduc_enrllng2 Students in ISCED 1-3 by number of modern fore...\neduc_fiaid Financial aid to students\neduc_ilev Distribution of pupils/ students by level\neduc_iste Pupil/ student - teacher ratio and average cla...\neduc_mofo_dst Foreign students by level of education and cou...\neduc_mofo_fld Foreign students by level and field of education\neduc_mofo_gen Foreign students by level of education and sex\neduc_mofo_orig Foreign students by level of education and cou...\neduc_momo_dst Students going abroad by level of education an...\neduc_momo_fld Students from abroad by level and field of edu...\neduc_momo_gen Students from abroad by level of education and...\neduc_momo_orig Students from abroad by level of education and...\neduc_outc_pisa Underachieving 15-year-old students by sex and...\neduc_renrlrg1 Students by level of education, orientation, s...\neduc_renrlrg3 Students by age, sex and NUTS 2 regions\neduc_thmob Student mobility\neduc_uoe_enra01 Pupils and students enrolled by education leve...\neduc_uoe_enra02 Pupils and students enrolled by education leve...\neduc_uoe_enra03 Pupils and students enrolled by education leve...\neduc_uoe_enra04 Pupils and students by education level - as % ...\neduc_uoe_enra05 Pupils and students in education by age groups...\neduc_uoe_enra06 Pupils and students in education aged 30 and o...\neduc_uoe_enra07 Expected school years of pupils and students b...\neduc_uoe_enra08 Students in post-compulsory education - as % o...\neduc_uoe_enra09 Students participation at the end of compulsor...\neduc_uoe_enra11 Pupils and students enrolled by education leve...\neduc_uoe_enra12 Pupils and students enrolled by sex, age and N...\neduc_uoe_enra13 Distribution of pupils and students enrolled i...\neduc_uoe_enra16 Pupils and students enrolled by education leve...\neduc_uoe_enrt01 Students enrolled in tertiary education by edu...\neduc_uoe_enrt02 Students enrolled in tertiary education by edu...\neduc_uoe_enrt03 Students enrolled in tertiary education by edu...\neduc_uoe_enrt04 Distribution of students enrolled at tertiary ...\neduc_uoe_enrt05 Ratio of the proportion of tertiary students o...\neduc_uoe_enrt06 Students enrolled in tertiary education by edu...\neduc_uoe_enrt07 Students in tertiary education by age groups -...\neduc_uoe_enrt08 Students in tertiary education - as % of 20-24...\neduc_uoe_fina01 Financial aid to students by education level -...\neduc_uoe_fine09 Public expenditure on education per pupil/stud...\neduc_uoe_fine10 Pupils and students enrolled by education leve...\neduc_uoe_fini04 Annual expenditure on educational institutions...\neduc_uoe_fini06 Ratio of annual expenditure per student at the...\neduc_uoe_mobs01 Mobile students from abroad enrolled by educat...\neduc_uoe_mobs02 Mobile students from abroad enrolled by educat...\neduc_uoe_mobs03 Share of mobile students from abroad enrolled ...\neduc_uoe_mobs04 Distribution of mobile students from abroad en...\neduc_uoe_perp04 Ratio of pupils and students to teachers and a...\nhrst_fl_tefor Participation of foreign students in tertiary ...\ntsc00028 Doctorate students in science and technology f...\ndtype: object" }, - "execution_count": 17, + "execution_count": 6, "metadata": {}, "output_type": "execute_result" } ], "source": [ - "# Cerchiamo nella Series i dataflows la cui descrizione contiene \"student\"\n", + "# Cerchiamo nella Series i allflows la cui descrizione contiene \"student\"\n", "# https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.str.contains.html\n", - "student_dataflows = dataflows[dataflows.str.contains(\"student\", case=False)]\n", - "student_dataflows" + "student_flows: pandas.Series = all_flows[all_flows.str.contains(\"student\", case=False)]\n", + "student_flows" ], "metadata": { "collapsed": false, @@ -233,26 +236,29 @@ }, { "cell_type": "code", - "execution_count": 33, + "execution_count": 12, "outputs": [ { "data": { - "text/plain": "(,\n )" + "text/plain": "(,\n )" }, - "execution_count": 33, + "execution_count": 12, "metadata": {}, "output_type": "execute_result" } ], "source": [ "# Prendiamo il primo e andiamo a scaricare i dati corrispondenti\n", - "dataflow_label = student_dataflows.index[0]\n", - "data_msg: pandasdmx.message.Message = eurostat.dataflow(dataflow_label)\n", - "dataflow: pandasdmx.model.DataflowDefinition = data_msg.dataflow[dataflow_label]\n", - "structure: pandasdmx.source.DataStructureDefinition = dataflow.structure\n", - "dataflow, structure\n", - "\n", - "# Si possono usare i dati della struttura richiesti in precedenza?" + "my_flow_label = student_flows.index[0]\n", + "# Scarichiamo lo specifico dataflow che ci interessa\n", + "my_flow_msg: pandasdmx.message.Message = eurostat.dataflow(my_flow_label)\n", + "my_flow: pandasdmx.model.DataflowDefinition = my_flow_msg.dataflow[my_flow_label]\n", + "# Scopriamo il label della struttura dati\n", + "my_struct_label: pandasdmx.source.DataStructureDefinition = my_flow.structure.id\n", + "# Scarichiamo la struttura del dataflow\n", + "my_struct_msg: pandasdmx.message.Message = eurostat.datastructure(my_struct_label)\n", + "my_struct: pandasdmx.source.DataStructureDefinition = my_struct_msg.structure[my_struct_label]\n", + "my_flow, my_struct" ], "metadata": { "collapsed": false, @@ -263,26 +269,24 @@ }, { "cell_type": "code", - "execution_count": 36, + "execution_count": 14, "outputs": [ { "data": { - "text/plain": "([], [], [], [])" + "text/plain": "([],\n >,\n ; >,\n ; ; ; ; ; ; >)" }, - "execution_count": 36, + "execution_count": 14, "metadata": {}, "output_type": "execute_result" } ], "source": [ - "# Analizziamo la struttura dei dati\n", - "# È composta da:\n", - "# - dimensioni\n", - "# - attributi\n", + "# Ispezioniamo la struttura, che contiene:\n", + "# - annotazioni\n", "# - misure\n", - "# Cosa cambia tra uno e l'altro?\n", - "\n", - "structure.dimensions.components, structure.attributes.components, structure.measures.components, structure.annotations" + "# - attributi\n", + "# - dimensioni\n", + "my_struct.annotations, my_struct.measures, my_struct.attributes, my_struct.dimensions" ], "metadata": { "collapsed": false,