for (i in seq_len(3)){
for(j in seq_len(3)){
msg <- glue::glue("if i = {i}, and j = {j}, then i + j = {i+j}
")
cat(msg)
}
}
#> if i = 1, and j = 1, then i + j = 2
View example-nested-for-loop.md
View tf-fun-no-lexical-scope.md
library(tensorflow)
inner_fun <- function(x, y, b){
z <- tf$square(x)
z + y + b
}
tf_inner_fun <- tf_function(inner_fun)
#> Loaded Tensorflow version 2.8.0
View map-safely.md
library(purrr)
library(tidyverse)
safe_sum <- safely(sum)
safe_sum(5)
#> $result
#> [1] 5
#>
View applying-classes.md
thingy <- list(
x = letters,
y = LETTERS
)
thingy
#> $x
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "u" "v" "w" "x" "y" "z"
View demo-tf-function.md
library(tensorflow)
f <- function(x){
z <- tf$square(x)
z + z
}
tf_f <- tf_function(f)
#> Loaded Tensorflow version 2.8.0
View tf-function.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# in TF1 | |
x <- tensor(x, shape..) | |
y <- tensor(y, shape..) | |
z <- add(x,y) | |
sess <- session | |
sess.run(z, dict = c(x = 1, y = 2)) | |
# in TF2 | |
new_add <- function(x, y){ | |
tensorflow::tf$math$add(x, y) |
View remove-nulls-purrr.md
list_of_things <- list(
NULL,
"result",
NULL,
NULL,
"result"
)
list_of_things
View map2_lgl-for-comparison.md
mat_1 <- list(
matrix(1:10),
matrix(11:20)
)
mat_2 <- list(
matrix(11:20),
matrix(21:30)
)
View gghalves.md
library(ggplot2)
library(palmerpenguins)
ggplot(penguins,
aes(x = species,
y = flipper_length_mm,
fill = island,
colour = island)) +
geom_jitter()
View read-optimiser-table.md
tbl_chr <- "| greta optimiser | TF 1.x function | TF2.0 function |
| - | - | - |
| `nelder_mead` | `tf$contrib$opt$ScipyOptimizerInterface` | `tfp$optimizer$nelder_mead_minimize` |
| `powell` | `tf$contrib$opt$ScipyOptimizerInterface` | ? |
| `cg` | `tf$contrib$opt$ScipyOptimizerInterface` | ? |
| `bfgs` | `tf$contrib$opt$ScipyOptimizerInterface` | `tfp$optimizer$bfgs_minimize` |
| `newton_cg` | `tf$contrib$opt$ScipyOptimizerInterface` | ? |
| `l_bfgs_b` | `tf$contrib$opt$ScipyOptimizerInterface` | ? |
| `tnc` | `tf$contrib$opt$ScipyOptimizerInterface` | ? |
NewerOlder