## ✔ Key could be verified via a test request
## ℹ The provided key will be available for this R session
## ℹ Add `STATCUBE_KEY_EXT = XXXX` to "~/.Renviron" to set the key
## persistently. Replace `XXXX` with your key
The function sc_table_custom()
allows you to define
requests against the /table
endpoint programmatically. This
can be useful to automate the generation of /table
request
rather than relying on the GUI to do so. The function accepts the four
arguments.
- A database id
- ids of measures to be imported (type
MEASURE
,STAT_FUNCTION
orCOUNT
) - ids of fields to be imported (type
FIELD
orVALUESET
) - a list of recodes that can be used customize fields
Building a Custom Table Step by Step
The first part of this Article will showcase how custom tables can be created with a database about tourism. This database will also be used in most other examples of this article.
Starting Simple
First, we want to just send the database id to
sc_table_custom()
. This will request only the mandatory
fields and default measures for that database. In case of the tourism
database, a table with one single row is returned.
database <- "str:database:detouextregsai"
x <- sc_table_custom(database)
x$tabulate()
# A STATcubeR tibble: 1 x 2
`Season/Tourism Month` `Nights spent`
* <date> <dbl>
1 2024-06-01 72541299
Show json request
x$json
We see that 72 541 299 nights were spent in Austrian tourism establishments in the month of 2024-06-01.
Adding Countries
Now we want to add a classification to the table. This can be done by getting the database schema and showing all classification fields.
tourism <- sc_schema_db(database)
(fields <- sc_schema_flatten(tourism, "FIELD"))
# A data frame: 4 × 2
id label
<chr> <chr>
1 str:field:detouextregsai:F-DATA1:C-SDB_TIT-0 Season/Tourism Month
2 str:field:detouextregsai:F-DATA:C-GEMREG-0 Tourism commune [ABO]
3 str:field:detouextregsai:F-DATA:C-BBTR_REG-0 Accomodation establishment
4 str:field:detouextregsai:F-DATA1:C-C93-2 Country of origin
If we want to add “Country of origin” we need to include the fourth
entry of the id
column in our request.
x <- sc_table_custom(tourism, dimensions = fields$id[4])
x$tabulate()
# A STATcubeR tibble: 3 x 3
`Season/Tourism Month` `Country of origin` `Nights spent`
* <date> <fct> <dbl>
1 2024-06-01 Austria 20772909
2 2024-06-01 Germany 28265099
3 2024-06-01 other countries 23503291
Show json request
x$json
Alternatively, we could also pass the schema object for “country of origin”.
origin <- tourism$`Other Classifications`$`Country of origin`
x <- sc_table_custom(tourism, dimensions = origin)
Adding Tourism Communes
The dimensions
parameter in
sc_schema_custom()
accepts vectors of field ids. Therefore,
we can add the communes easily.
x <- sc_table_custom(tourism, dimensions = fields$id[c(2, 4)])
x$tabulate()
# A STATcubeR tibble: 321 x 4
`Season/Tourism Month` `Tourism commune [ABO]` `Country of origin`
* <date> <fct> <fct>
1 2024-06-01 Achensee Austria
2 2024-06-01 Achensee Germany
3 2024-06-01 Achensee other countries
4 2024-06-01 Alpbachtal und Tiroler Seenland Austria
5 2024-06-01 Alpbachtal und Tiroler Seenland Germany
6 2024-06-01 Alpbachtal und Tiroler Seenland other countries
7 2024-06-01 Alpenregion Bludenz Austria
8 2024-06-01 Alpenregion Bludenz Germany
9 2024-06-01 Alpenregion Bludenz other countries
10 2024-06-01 Arlberg Austria
# ℹ 311 more rows
# ℹ 1 more variable: `Nights spent` <dbl>
Add Another Measure
Currently, the table only returns the default measure for the database which is the number of nights spent. We can add a second measure by again using the database schema and passing a measure id
(measures <- sc_schema_flatten(tourism, "MEASURE"))
# A data frame: 2 × 2
id label
<chr> <chr>
1 str:measure:detouextregsai:F-DATA1:F-ANK Arrivals
2 str:measure:detouextregsai:F-DATA1:F-UEB Nights spent
We can add both measures to the request by using
measures$id
. Just like the dimensions
parameter, the measures
parameters accepts vectors of
resource ids.
x <- sc_table_custom(tourism, measures = measures$id,
dimensions = fields$id[c(2, 4)])
x$tabulate()
# A STATcubeR tibble: 321 x 5
`Season/Tourism Month` `Tourism commune [ABO]` `Country of origin`
* <date> <fct> <fct>
1 2024-06-01 Achensee Austria
2 2024-06-01 Achensee Germany
3 2024-06-01 Achensee other countries
4 2024-06-01 Alpbachtal und Tiroler Seenland Austria
5 2024-06-01 Alpbachtal und Tiroler Seenland Germany
6 2024-06-01 Alpbachtal und Tiroler Seenland other countries
7 2024-06-01 Alpenregion Bludenz Austria
8 2024-06-01 Alpenregion Bludenz Germany
9 2024-06-01 Alpenregion Bludenz other countries
10 2024-06-01 Arlberg Austria
# ℹ 311 more rows
# ℹ 2 more variables: Arrivals <dbl>, `Nights spent` <dbl>
Changing the hierarchy level
We can see in the GUI that “Country of origin” is a hierarchical classification. If we look at the table above, only the top level of the hierarchy (Austria, Germany, other) is used. This can be changed by providing the the value-set that corresponds to the more granular classification of “country of origin”
The different value-sets for “country of origin” can be compared by browsing the database schema.
(valuesets <- tourism$`Other Classifications`$`Country of origin`)
#> FIELD: Country of origin
#> 1 Country of origin VALUESET 87
#> 2 Herkunftsland (Ebene +1) VALUESET 3
We can see that the two levels of the hierarchy are represented by the two value-sets. The value-set “Herkunftsland” uses 3 classification elements and represents the top level of the hierarchy (Austria, Germany, Other). The value-set “Country of origin” uses 87 (10+8+69) classification elements and is the bottom level of the hierarchy. For classifications with more levels of hierarchies, more value-sets will be present.
We will now use the id for the first value-set in the
dimensions
parameter of sc_table_custom
.
x <- sc_table_custom(
db = tourism,
measures = measures$id,
dimensions = valuesets$`Country of origin`
)
x$tabulate()
# A STATcubeR tibble: 87 x 4
`Season/Tourism Month` `Country of origin` Arrivals `Nights spent`
* <date> <fct> <dbl> <dbl>
1 2024-06-01 Vienna <01> 1573335 4611702
2 2024-06-01 Burgenland (beg.05/03) <70> 380208 980905
3 2024-06-01 Carinthia (beg.05/03) <71> 396573 1154423
4 2024-06-01 Lower Austria (beg.05/03) <72> 1391481 4168398
5 2024-06-01 Upper Austria (beg.05/03) <73> 1280137 3475584
6 2024-06-01 Salzburg (beg.05/03) <74> 525320 1327853
7 2024-06-01 Styria (beg.05/03) <75> 1030881 2973213
8 2024-06-01 Tyrol (beg.05/03) <76> 536937 1371695
9 2024-06-01 Vorarlberg (beg.05/03) <77> 274097 709136
10 2024-06-01 Austria except Vienna (till 0… 0 0
# ℹ 77 more rows
Show json request
x$json
It is possible to use a mixture of value-sets and fields in the
dimensions
parameter.
Using Counts
Instead of Measures and Value-sets, it is also possible to provide
counts in the measure
parameter of
sc_table_custom()
.
population <- sc_schema_db("debevstand")
(count <- population$`Datensätze/Records`$`F-BEVSTAND`)
#> COUNT: F-BEVSTAND
x <- sc_table_custom(population, count)
x$tabulate()
# A STATcubeR tibble: 1 x 2
Quarter `F-BEVSTAND`
* <date> <dbl>
1 2024-01-01 389629
Recodes
Data can be filtered on the server side by using the
recodes
parameter of sc_table_custom()
. This
might be more complicated than filtering the data in R but offers some
important advantages.
- performance Traffic between the client and server is reduced which might lead to considerably faster API responses.
-
cell limits (user) Apart from rate limits (see
?sc_rate_limits
), STATcube also limits the amount of cells that can be fetched per user. Filtering data can be useful to preserve this quota. - cell limits (request) If a single request would contain more than 1 million cells, a cell count error is thrown.
Filtering Data
As an example for filtering data, we can request a table from the
tourism database and only select some countries for
Country of origin
.
origin <- tourism$`Other Classifications`$`Country of origin`$`Country of origin`
month <- tourism$`Mandatory fields`$`Season/Tourism Month`$`Season/Tourism Month`
x <- sc_table_custom(
db = tourism,
measures = measures$id,
dimensions = list(month, origin),
recodes = sc_recode(origin, list(origin$`Italy <29>`, origin$`Germany <12>`))
)
x$tabulate()
# A STATcubeR tibble: 598 x 4
`Season/Tourism Month` `Country of origin` Arrivals `Nights spent`
<date> <fct> <dbl> <dbl>
1 1999-11-01 Italy <29> 34612 71854
2 1999-11-01 Germany <12> 261213 762568
3 1999-12-01 Italy <29> 88337 218213
4 1999-12-01 Germany <12> 849720 4152811
5 2000-01-01 Italy <29> 53289 204169
6 2000-01-01 Germany <12> 1221916 6972223
7 2000-02-01 Italy <29> 32509 98706
8 2000-02-01 Germany <12> 966214 5651428
9 2000-03-01 Italy <29> 56189 135877
10 2000-03-01 Germany <12> 1009715 5483191
# ℹ 588 more rows
Show json request
x$json
{
"database": "str:database:detouextregsai",
"measures": [
"str:measure:detouextregsai:F-DATA1:F-ANK",
"str:measure:detouextregsai:F-DATA1:F-UEB"
],
"dimensions": [
["str:valueset:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0"],
["str:valueset:detouextregsai:F-DATA1:C-C93-2:C-C93-2"]
],
"recodes": {
"str:valueset:detouextregsai:F-DATA1:C-C93-2:C-C93-2": {
"map": [
["str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:20"],
["str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:12"]
],
"total": false
}
}
}
This table only contains two countries rather than 87 so the amount of cells in the table is also 40 times less compared to a table that would omit this filter.
Grouping items
Other options from the recodes
specification are also available via sc_recode()
. It is
possible to group items and specify recodes for several
classifications.
x <- sc_table_custom(
db = tourism,
measures = measures$id,
dimensions = list(month, origin),
recodes = c(
sc_recode(origin, list(
list(origin$`Germany <12>`, origin$`Netherlands <25>`),
list(origin$`Italy <29>`, origin$`France (incl.Monaco) <14>`)
)),
sc_recode(month, list(
month$Nov.99, month$Feb.00, month$Apr.09, month$`Jan. 22`
))
)
)
x$tabulate()
# A STATcubeR tibble: 8 x 4
`Season/Tourism Month` `Country of origin` Arrivals `Nights spent`
<date> <fct> <dbl> <dbl>
1 1999-11-01 Germany <12>;Netherlands <25> 272496 795183
2 1999-11-01 Italy <29>;France (incl.Monaco… 47580 105150
3 2000-02-01 Germany <12>;Netherlands <25> 1237039 7208626
4 2000-02-01 Italy <29>;France (incl.Monaco… 77162 350655
5 2009-04-01 Germany <12>;Netherlands <25> 44545 174388
6 2009-04-01 Italy <29>;France (incl.Monaco… 97913 219553
7 2022-01-01 Germany <12>;Netherlands <25> 154121 886490
8 2022-01-01 Italy <29>;France (incl.Monaco… 28301 100484
Show json request
x$json
{
"database": "str:database:detouextregsai",
"measures": [
"str:measure:detouextregsai:F-DATA1:F-ANK",
"str:measure:detouextregsai:F-DATA1:F-UEB"
],
"dimensions": [
["str:valueset:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0"],
["str:valueset:detouextregsai:F-DATA1:C-C93-2:C-C93-2"]
],
"recodes": {
"str:valueset:detouextregsai:F-DATA1:C-C93-2:C-C93-2": {
"map": [
["str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:12", "str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:25"],
["str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:20", "str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:14"]
],
"total": false
},
"str:valueset:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0": {
"map": [
["str:value:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0:199911"],
["str:value:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0:200002"],
["str:value:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0:200904"],
["str:value:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0:202201"]
],
"total": false
}
}
}
This table contains data for two country-groups and two months. In this case, the cell values for Germany and the Netherlands are just added to calculate the entries for Arrivals and Nights spent. However, in other cases STATcube might decide it is more appropriate to use weighted means or other more complicated aggregation methods.
Adding Totals
The total
parameter in sc_recode()
can be
used to request totals for classifications. As an example, let’s look at
the tourism activity in the capital cities of Austria
destination <- tourism$`Other Classifications`$`Tourism commune [ABO]`$
`Regionale Gliederung (Ebene +1)`
x <- sc_table_custom(
tourism,
measures = measures$id,
dimensions = list(month, destination),
recodes = c(
sc_recode(destination, total = TRUE, list(
destination$Wien, destination$`Stadt Salzburg`, destination$Linz)),
sc_recode(month, total = FALSE, list(month$Nov.99, month$Apr.09))
)
)
as.data.frame(x)
# A STATcubeR tibble: 8 x 4
`Season/Tourism Month` `Tourism commune [ABO]` Arrivals `Nights spent`
<date> <fct> <dbl> <dbl>
1 1999-11-01 Wien 234186 522306
2 1999-11-01 Stadt Salzburg 49369 89637
3 1999-11-01 Linz 25562 43789
4 1999-11-01 Total 309117 655732
5 2009-04-01 Wien 356723 806201
6 2009-04-01 Stadt Salzburg 84582 151483
7 2009-04-01 Linz 35594 65001
8 2009-04-01 Total 476899 1022685
Show json request
x$json
{
"database": "str:database:detouextregsai",
"measures": [
"str:measure:detouextregsai:F-DATA1:F-ANK",
"str:measure:detouextregsai:F-DATA1:F-UEB"
],
"dimensions": [
["str:valueset:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0"],
["str:valueset:detouextregsai:F-DATA:C-GEMREG-0:C-TOUREG-0"]
],
"recodes": {
"str:valueset:detouextregsai:F-DATA:C-GEMREG-0:C-TOUREG-0": {
"map": [
["str:value:detouextregsai:F-DATA:C-GEMREG-0:C-TOUREG-0:TOUREG-Wien"],
["str:value:detouextregsai:F-DATA:C-GEMREG-0:C-TOUREG-0:TOUREG-Stadt"],
["str:value:detouextregsai:F-DATA:C-GEMREG-0:C-TOUREG-0:TOUREG-Linz"]
],
"total": true
},
"str:valueset:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0": {
"map": [
["str:value:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0:199911"],
["str:value:detouextregsai:F-DATA1:C-SDB_TIT-0:C-SDB_TIT-0:200904"]
],
"total": false
}
}
}
We see that there are two rows in the table where Tourism commune is set to “Total”. The corresponding values represent the sum of all Arrivals or Nights spent in either of these three cities during that month.
Recoding across hierarchies
To use a recode that includes several hierarchy levels, the
corresponding FIELD
should be used as the first parameter
of sc_recode()
. For example, a recode with countries and
federal states from the “Country of origin” classification can be
defined as follows.
origin1 <- tourism$`Other Classifications`$`Country of origin`
origin2 <- origin1$`Country of origin`
origin3 <- origin1$`Herkunftsland (Ebene +1)`
x <- sc_table_custom(
tourism, measures$id, origin1,
recodes = sc_recode(origin1, list(
origin2$`Vienna <01>`, origin3$Germany,
list(origin2$`Bavaria (beg.05/03) <80>`, origin3$`other countries`))
)
)
x$tabulate()
# A STATcubeR tibble: 3 x 4
`Season/Tourism Month` `Country of origin` Arrivals `Nights spent`
* <date> <fct> <dbl> <dbl>
1 2024-06-01 Vienna <01> 1573335 4611702
2 2024-06-01 Germany 7562533 28265099
3 2024-06-01 other countries;Bavaria (beg.0… 10613351 30861772
Show json request
x$json
{
"database": "str:database:detouextregsai",
"measures": [
"str:measure:detouextregsai:F-DATA1:F-ANK",
"str:measure:detouextregsai:F-DATA1:F-UEB"
],
"dimensions": [
["str:field:detouextregsai:F-DATA1:C-C93-2"]
],
"recodes": {
"str:field:detouextregsai:F-DATA1:C-C93-2": {
"map": [
["str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:01"],
["str:value:detouextregsai:F-DATA1:C-C93-2:C-C93SUM-0:C93SUM-2"],
["str:value:detouextregsai:F-DATA1:C-C93-2:C-C93-2:80", "str:value:detouextregsai:F-DATA1:C-C93-2:C-C93SUM-0:C93SUM-3"]
],
"total": false
}
}
}
Typechecks
Since custom tables can become quite complicated,
sc_table_custom()
performs type-checks before sending the
request to the API. If inconsistencies are detected, warnings will be
generated. See ?sc_table_custom
for a comprehensive list of
the performed checks.
sc_table_custom(tourism, measures = tourism, dry_run = TRUE)
#> Warning in sc_table_custom(tourism, measures = tourism, dry_run = TRUE):
#> parameter `measures` is not of type `MEASURE`, `STATFN` or `COUNT`
#> {
#> "database": "str:database:detouextregsai",
#> "measures": [
#> "str:database:detouextregsai"
#> ],
#> "dimensions": []
#> }
Advanced example
sc_table_custom("A", measures = "B", dimensions = "C",
recodes = sc_recode("D", "E"), dry_run = TRUE)
#> Warning in sc_recode("D", "E"): parameters `field` and `map` might be
#> inconsistent
#> Warning in sc_recode("D", "E"): some entries in `map` are not of type VALUE
#> Warning in sc_recode("D", "E"): parameter `field` is not of type `FIELD` or
#> `VALUESET`
#> Warning in sc_table_custom("A", measures = "B", dimensions = "C", recodes =
#> sc_recode("D", : `recodes` and `dimensions` might be inconsistent
#> Warning in sc_table_custom("A", measures = "B", dimensions = "C", recodes =
#> sc_recode("D", : parameter `dimensions` is not of type `FIELD` or `VALUESET`
#> Warning in sc_table_custom("A", measures = "B", dimensions = "C", recodes =
#> sc_recode("D", : parameter `measures` is not of type `MEASURE`, `STATFN` or
#> `COUNT`
#> Warning in sc_table_custom("A", measures = "B", dimensions = "C", recodes =
#> sc_recode("D", : parameter `db` is not of type `DATABASE`
#> {
#> "database": "A",
#> "measures": [
#> "B"
#> ],
#> "dimensions": [
#> ["C"]
#> ],
#> "recodes": {
#> "D": {
#> "map": [
#> ["E"]
#> ],
#> "total": false
#> }
#> }
#> }
If dry_run
is set to FALSE
(the default),
STATcubeR will send the request to the API even if inconsistencies are
detected. This will likely lead to an error of the form “expected json but got
html”.
If you get spurious warnings or have suggestions on how these type-checks might be improved, please issue a feature request to the [STATcubeR bug tracker].
Further Reading
- If you’ve come this far, you are probably already familiar with
sc_schema()
. But in case you are not, the schema article contains more information on how to get metadata from the API. - The
STATcubeR data article
showcases different ways to extract data and metadata from the return
value of
sc_table_custom()
.