dalejbarr / assessr Goto Github PK
View Code? Open in Web Editor NEWtools for computer-aided assessment of student RMarkdown assignments
License: Other
tools for computer-aided assessment of student RMarkdown assignments
License: Other
Important when having different task orders for different submissions
currently creates a weird error if one of the values is logical
I think it has something to do with the remove_comments option
useful for inspecting ggplots
Do we need this? Would make the assessment more robust as collaboration still encouraged but need to work on their own data. Would be good to chat about this with team.
if a student puts question marks in the code chunk:
read_csv(?ahi-cesd.csv?)
the browser hangs
Instead of searching for and commenting out dangerous functions (install.packages()
), replace them, e.g.:
install.packages <- function(formals("install.packages")) {
assessr::add_feedback("* use of this function is forbidden")
}
from emily nordmann:
fetch()
is now giving:
Error in curl::curl_fetch_memory(url, handle = handle) : Failure when receiving data from the peer
this causes problems when IDs start with 0
feedback_all()
should use safely()
to avoid this behavior
compile_key()
should give clearer error messages when solution/assessment code chunk names don't match
> key$start_env
$P1
<environment: 0x120a9f108>
$P2
<environment: 0x11bba17c0>
> key$sol_env
$P2
<environment: 0x11bba17c0>
[[2]]
<environment: 0x1219cf468>
If a student types:
#---------------------
This is treated as a chunk delimiter (because of knitr::purl())
Need to re-think the workflow. Currently it is tricky to do a mass assessment and then re-do specific assignments (e.g., late submissions, or specific problems)
for instance install.packages()
will run if in a block that is not assessed
Would be handy sometimes if the assignments were ordered by code similarity in the browse stage - or have the option to change the sorting if other alternatives come up?
from Phil:
on lab 5, task 2, the same dimensions call as the solution dat2, doesnt quite work. There is something different about dat2 <- select(dat, Intellect_Rating, Impression_Rating, Hire_Rating, ï..CONDITION)
and dat2 <- select(dat, Intellect_Rating, Impression_Rating, Hire_Rating, CONDITION)`
Moodle only accepts zip files < 100MB, so something that would calculate file size and break into subparts for upload
If you put a colon in the title of the feedback report you will get this (frustrating) error
Error in yaml::yaml.load(string, ...) :
Scanner error: mapping values are not allowed in this context at line 1, column 24
list seems unnecessary. Simplify code
also check NaN
loading everything into memory can be a problem with large classes, perhaps give user a warning? also, should save as you go rather than only after clicking Done
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