No articles match
Documentation technique du package rdatagouv1 months ago
Le package R {rdatagouv} : intention et objectif principal | La plateforme datagouv et ses points d'entrée | Vue d'ensemble des quatre points d'entrée | API principale v1 (/api/1/) | API v2 (/api/2/) | Accès aux ressources | API tabulaire (tabular-api.data.gouv.fr) | API des schémas (schema.data.gouv.fr) | Utiliser {httr2} pour construire des requêtes vers des API web | L'approche « wrapping » recommandée | Construction des requêtes : chemins, query, encodage | Le cas particulier des paramètres répétés | Exécution et parsing | URI : définition et usage dans | Qu'est-ce qu'une URI ? | Comment {rdatagouv} construit une URI par table | URI et reproductibilité : dg_refetch() | Le mocking dans les tests unitaires | Qu'est-ce que le mocking, et pourquoi ? | Les deux niveaux d'émulation dans | Emulation de la pile réseau : http_perform() | Emulation des briques fonctionnelles | Pourquoi et quand émule-t-on dans | Exercer l'API live | L'intégration live opt-in : tests/test-live-api.R | La garde d'exécution : skip_unless_live() | Que prouvent les tests live ? | API du package | dg_find_datasets() | dg_find_organization() | dg_find_topics() | dg_pull_dataset() | dg_refetch() | dg_schema() | dg_table_id(), dg_problems(), dg_summary(), dg_summarise(), dg_glimpse() | Récapitulatif de l'API exposée | Le parsing des colonnes : types, profil et rapport d'erreurs | Forcer les types de colonnes avec col_types | Amorcer les types depuis le profil de la plateforme : use_tabular_types | Inspecter les problèmes de parsing : dg_problems() | Une erreur de parsing fréquente : les dates presque ISO | Annexe : conventions de développement
Finding, judging and re-fetching French open data2 months ago
The problem rdatagouv solves | Finding datasets | Restricting to documented datasets | Restricting to specific formats | Finding a specific organization's datasets | Finding datasets grouped under a theme | Judging whether a dataset is usable | Downloading data | When pulling goes wrong: parsing issues | Detecting a parsing problem | A common trigger: mostly-padded ISO dates | Solving it: forcing column types | Re-fetching the same table reproducibly | Why a stable id beats a file name | Summarising datasets | A complete workflow
Analysis of Berkeley growth data9 months ago
The Berkeley growth data | Functional data representation | Clustering
Computing initial centroids in k-means9 months ago
Manual specification of the initial seeds | $k$-means++ | Exhaustive $k$-means++ | Exhaustive search | Hierarchial clustering | Final recommandations | References
Validation and Benchmark of Wasserstein Distances1 years ago
Definitions | Validation | Distances between nontrivial diagrams | Distances from the trivial diagram | Benchmarks | References
The persistence class1 years ago
Structure of the class | Supported inputs
A tour of permutation inference2 years ago
Generation of the toy example | The plausibility function | Null specification | Test statistics | Statistic assignments | Instantiation of the plausibility function | Application to the toy example | Scenario A | Scenario B | Scenario C | Inferential tasks via the plausibility function | Point estimation | Confidence intervals | Hypothesis tests | References
Computing plausibility functions2 years ago
Plausibility function for the mean | Plausibility function for the variance | Plausibility function for both mean and variance | References
On the exactness of permutation tests2 years ago
Traditional formulation of a statistical test | The two-sample problem in a permutational framework | Permutation p-value as an unbiased estimator of $p_\infty$ | Permutation p-value as the tail probability of a resampling distribution | Comparison by empirical evidence | References
Parallel processing2 years ago
Computation without parallel processing | Computation with parallel processing
Performing ANOVA2 years ago
Plausibility function for 1-ANOVA 🐓 | Plausibility function for 2-ANOVA 🌸 | $$H_0: \begin | \begin | Conclusion
The alternative hypothesis in permutation testing2 years ago
Traditional NHST | Permutation NHST | Non-Parametric Combination | References
nloptr2 years ago
Introduction | Installation | Minimizing the Rosenbrock Banana function | Minimization with inequality constraints | Derivative checker | Notes | Description of options | References
roahd5 years ago
Introduction | Representation of functional data | fData | mfData | Subsetting fData | Algebra | Visualization | Statistics | Depths | Mean and median | Covariance and cross-covariance functions | Indexes | Correlation coefficients | Simulation of functional data | Univariate functional data | Multivariate functional data | Robustification | Functional boxplot | Outliergram | References