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The Documentation example at https://lisp-stat.dev/docs/tasks/plotting/ suggests running

(ql:quickload :ips)

but this doesn't work because the "ips" package is not included in the current Quicklisp distribution.

Edit: Part (2) of this issue is also found at Lisp-Stat/plot#19 (comment). The first part occurs after loading cl-date-time-parser in SBCL on Ubuntu 22.04.

(1) When I load the vega-lite data sets using

(vega:load-vega-examples)

I get the following error:

Could not REQUIRE CL-DATE-TIME-PARSER: circularity detected. Please check your configuration
`
However, the examples appear to have loaded.

(2) Also, before I installed cl-date-time-parser in quicklisp, I was getting an error message similar to:

Do not know how to REQUIRE CL-DATE-TIME-PARSER

On Ubuntu with sbcl 2.1.6 and only Firefox installed (not chrome),

(plot:plot-from-file (vglt:save-plot 'cars-strip-plot))

crashes with the complaint that:

The value
"--user-data-dir=/home/eric/.cache/plot/chrome-data-G1245 --window-size=800,600 --app=/home/eric/.cache/plot/cars-strip-plot.html"

is not of type
LIST

The issue appears to be that sbcl's defun prepare-args expects a list of strings to which it applies #'every. It is being handed a dotted pair instead:

    ARGS = ("chrome" . "--user-data-dir=/home/eric/.cache/plot/chrome-data-G1245 --window-size=800,600 --app=/home/eric/.cache/plot/cars-strip-plot.html")

I can get around it with using this instead of what's in the lisp-stat documentation:

  (plot:plot-from-file (vglt:save-plot 'cars-strip-plot) :browser :default)
                                                         ^^^^^^^^^^^^^^^^^

Otherwise I had to modify sbcl's #'run-program to call prepare-args on (list progname args) rather than on (cons progname args). This doesn't seem right at all, so I just mention it and defer to better programmers. Thanks!

I was just going through the examples in the documentation and here:

(defdf iris (read-csv "https://raw.githubusercontent.com/vincentarelbundock/Rdatasets/master/csv/datasets/iris.csv") "Edgar Anderson's Iris Data")

gives the error "variable IRIS is unbound [condition of type UNBOUND-VARIABLE]"

This is no issue at all! Only wanted to say THANK YOU!

Christoph

CL-USER> (in-package :ls-user)
#<PACKAGE "LS-USER">
LS-USER> (asdf:load-system :lisp-stat)
T
LS-USER> (defdf mtcars
(read-csv rdata:mtcars))
COMMON-LISP:WARNING: Missing column name was filled in
MTCARS
LS-USER> (defparameter mtcars-small (select mtcars (range 0 5) t))
MTCARS-SMALL
LS-USER> (columns mtcars-small 'mpg)
Key MPG not found, valid keys are #(X1 MPG CYL DISP HP DRAT WT QSEC VS AM GEAR CARB). [Condition of type KEY-NOT-FOUND]
LS-USER> mtcars$mpg
The variable MTCARS$MPG is unbound. [Condition of type UNBOUND-VARIABLE]
;; yet i can still access the keys
LS-USER> (keys mtcars)
#(MTCARS:X1 MTCARS:MPG MTCARS:CYL MTCARS:DISP MTCARS:HP MTCARS:DRAT MTCARS:WT MTCARS:QSEC MTCARS:VS MTCARS:AM MTCARS:GEAR MTCARS:CARB)
LS-USER>

When clicking on the 'view page source' button, it does not go to the correct github page. Config issue? Docsy seems to be looking for a branch named main, and the docs are on master.

This is on CentOS 7,

LS> (lisp-implementation-type)
"SBCL"
LS> (lisp-implementation-version)
"2.0.7"

It is related to a previously submitted Issue.

Running:
LS> (plot:plot-from-file #P"/tmp/plot/cars-scatter-plot.html" :browser :default)

ends up in the debugger:

The value
  "/tmp/plot/cars-scatter-plot.html"
is not of type
  LIST
   [Condition of type TYPE-ERROR]

I can fix that if, in plot/plot.lisp by removing the @ from the back-quote. Here is the offending code:

(defun plot-from-file (filespec &key (browser *default-browser-command*) (browser-options *default-browser-options*))
  "Open plot specification FILESPEC"
  (let ((plot-file (namestring (truename filespec))))
    #+windows (setf plot-file (concatenate 'string "file:///" plot-file))
    (uiop:launch-program
     `(,(alexandria:assoc-value plot:*browser-commands* browser)
                         ;; Remove the `@' for uiop:launch-program & sp-ext:run-program to execute property
			 ,@(case browser  
			     (:chrome (if (assoc "app" browser-options :test 'string=)
					              (setf (cdr (assoc "app" browser-options :test 'string=)) plot-file))
			      (encode-chrome-options browser-options))
			     (:default plot-file)))
		 :ignore-error-status t)))

I created a minimal example to illustrate the effects of the ,@:

LS> (let ((browser :default))
      `(abc ,@(case browser (:chrome nil) (:default t))))
(ABC . T)

The basic tutorial has fallen behind the Lisp-Stat project and needs to be updated. In addition to the need for a def/defdf explanation pointed out by @rieser, there are several sections in the documentation that are commented out (you only see this in the documentation source repo because Hugo removes comments from deployed documentation).

Essentially the basic tutorial is the XLisp-Stat tutorial, updated for (Common) Lisp-Stat. At the time of conversion, Lisp-Stat lacked much of the functionality mentioned in the tutorial, so it was commented out. Lisp-Stat has now closed that gap, but the basic tutorial has not kept up.

This would be a good first issue for someone that wants to learn statistics or common lisp.

Originally reported issue:
It would be good to introduce defdf somewhere in the Data Frame tutorial. While reading that section, I tried experimenting with my own .csv files, for instance, with (read-csv my-csv-file-stream) \\ (def results *), using what has been introduced so far, and it does give me back a DATA-FRAME object, and I can do a lot of manipulations on it. However, if I try to access results:my-key, I get an error, which is extremely confusing. On the other hand, if I use defdf instead of def, as indicated in the Manual (but not the Tutorial), then results:my-key works as expected.

An alternative, of course, would be to extend def to handle data frames properly.

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