Remove eval: -1

Author: Susan Vanderplas

part-wrangling/01-data-input.qmd

@@ -76,14 +76,21 @@ These files are fairly common outputs from older FORTRAN-based programs, but may
 ##### Base R {.unnumbered}
 
 In base R (no extra packages), you can read fixed-width files in using `read.fwf`, but you must specify the column breaks yourself, which can be painful.
+```{r}
+#| eval: false
+#| echo: true
+url <- "https://www.mesonet.org/index.php/dataMdfMts/dataController/getFile/202206070000/mdf/TEXT/"
+```
+```{r}
+#| eval: true
+#| echo: false
+
+url <- "../data/mesodata.txt"
+```
 
 ```{r}
 #| label: read-fwf-colbreaks
 #| error: true
-#| eval: -1
-#| echo: -2
-url <- "https://www.mesonet.org/index.php/dataMdfMts/dataController/getFile/202206070000/mdf/TEXT/"
-url <- "../data/mesodata.txt"
 data <- read.fwf(url, 
          skip = 3, # Skip the first 2 lines (useless) + header line
          widths = c(5, 6, 6, 7, 7, 7, 7, 6, 7, 7, 7, 8, 9, 6, 7, 7, 7, 7, 7, 7, 

part-wrangling/07-datetime.qmd

@@ -26,12 +26,14 @@ The libraries I've chosen for this are `datetime` in Python (used by Pandas), an
 
 ::: panel-tabset
 ### R
-
 ```{r}
-#| eval: -1
+#| eval: false
+#| echo: true
 install.packages("lubridate")
-library(lubridate)
+```
 
+```{r}
+library(lubridate)
 # get current date/time
 today()
 now()
@@ -46,6 +48,13 @@ now()
 pip install datetime
 ```
 
+Or, if you prefer IPython magic...
+
+```{python}
+#| eval: false
+%pip install datetime
+```
+
 ```{python}
 #| eval: true
 import datetime