Bruno Rodrigues b-rodrigues
b-rodrigues
/ Monte Carlo integration with scikit-monaco
Last active
August 29, 2015 14:08
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| #Monte Carlo Integration | |
| #Example taken from Miranda and Fackler, Chapter 5, page 94 | |
| #We want to computer the following integral: | |
| # \int_{-1}^1 \int_{-1}^1 \exp(-x_1) * cos (x_2^2)dx_1 dx_2 | |
| #which should be equal to 4.25199 |
b-rodrigues
/ cumsumMemview
Created
December 2, 2014 09:58
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| import numpy as np | |
| cimport numpy as np | |
| cimport cython | |
| @cython.boundscheck(False) | |
| @cython.wraparound(False) | |
| def my_cum_sum_memv(double[:, ::1] A, | |
| double[:, ::1] B): | |
| cdef int i, j, lA, lB |
b-rodrigues
/ MatOpC
Created
December 2, 2014 09:59
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| cimport cython | |
| cdef class MatOpC: | |
| #no need to declare the matrices anymore, they're declared inside the pxd file | |
| #cdef public double[:, ::1] matA, matB | |
| def __init__(self, A, B): | |
| self.matA = A | |
| self.matB = B |
b-rodrigues
/ gist:a10b57ad2bb3e0089b15
Created
December 2, 2014 09:59
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| cimport cython | |
| from MatOpC cimport MatOpC | |
| @cython.boundscheck(False) | |
| @cython.wraparound(False) | |
| cdef class wrapclass: | |
| cdef public MatOpC matopobj | |
| def __init__(self, matopobj): |
b-rodrigues
/ gist:03987c9fcf2203d492d8
Created
December 2, 2014 10:00
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| cdef class MatOpC: | |
| cdef public double[:, ::1] matA, matB | |
| cpdef cumsumC(self) |
b-rodrigues
/ gist:77293a15c5915e41583554219f2cdc46
Created
January 4, 2017 15:48
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| > library(janitor) | |
| > get_dupes | |
| function (dat, ...) | |
| { | |
| names <- as.list(substitute(list(...)))[-1L] | |
| df_name <- deparse(substitute(dat)) | |
| var_names <- names | |
| if (is.list(var_names)) { | |
| var_names <- lapply(names, deparse) | |
| } |
b-rodrigues
/ counter.R
Last active
April 10, 2017 12:16
Create a "counter" variable that gets incremented by one for each occurence of interest
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| library(dplyr) | |
| data("iris") | |
| # At the first occurence of, say, Petal.Length = 1 and Petal.Width = 1, counter = 1. If Petal.Length = 1 and Petal.Width = 1 occur | |
| # again, counter gets incremented to 2 | |
| iris %>% | |
| group_by(Petal.Length, Petal.Width) %>% | |
| mutate(counter = seq_along(Species)) |
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| Date,Poids | |
| 2013-10-28,84.1 | |
| 2013-11-11,85.6 | |
| 2013-11-24,85.2 | |
| 2013-12-02,84.4 | |
| 2013-12-30,83.5 | |
| 2014-01-10,82.4 | |
| 2014-02-08,83.5 | |
| 2015-03-24,83 | |
| 2015-03-28,82.7 |
b-rodrigues
/ tidy_grid_search.R
Created
November 15, 2018 09:09
Searching for the optimal hyper-parameters of an ARIMA model in parallel: the tidy gridsearch approach
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| library(tidyverse) | |
| library(forecast) | |
| library(lubridate) | |
| library(tsibble) | |
| library(brotools) | |
| ihs <- function(x){ | |
| log(x + sqrt(x**2 + 1)) | |
| } |
b-rodrigues
/ gist:a22d2aa63dff01d88acc2916c003489d
Created
January 4, 2019 22:42
1877-12-29_01-00004-alto.xml
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <alto xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/standards/alto/ns-v3#" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.loc.gov/standards/alto/ns-v3# https://www.loc.gov/standards/alto/v3/alto-3-1.xsd"> | |
| <Description> | |
| <MeasurementUnit>mm10</MeasurementUnit> | |
| <sourceImageInformation> | |
| <fileName>../tif/1877-12-29_01-00004.tif</fileName> | |
| </sourceImageInformation> | |
| <OCRProcessing ID="OCR1"> | |
| <ocrProcessingStep> | |
| <processingStepSettings> |
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