View source: R/filter_graph_series.R
filter_graph_series | R Documentation |
Subsetting a graph series by the graphs' index positions in the graph series or through selection via graphs' date-time attributes.
filter_graph_series(graph_series, by = "number", values, tz = NULL)
graph_series |
A graph series object of type |
by |
Either |
values |
Where the subsetting of the graph series by to occur via graph
indices (where |
tz |
The time zone ( |
A graph series object of type dgr_graph_1D
.
# Create three graphs
graph_time_1 <-
create_graph(
graph_name = "graph_with_time_1") %>%
set_graph_time(
time = "2015-03-25 03:00",
tz = "GMT")
graph_time_2 <-
create_graph(
graph_name = "graph_with_time_2") %>%
set_graph_time(
time = "2015-03-26 03:00",
tz = "GMT")
graph_time_3 <-
create_graph(
graph_name = "graph_with_time_3") %>%
set_graph_time(
time = "2015-03-27 15:00",
tz = "GMT")
# Create an empty graph series and add
# the graphs
series_temporal <-
create_graph_series(
series_type = "temporal") %>%
add_graph_to_graph_series(
graph = graph_time_1) %>%
add_graph_to_graph_series(
graph = graph_time_2) %>%
add_graph_to_graph_series(
graph = graph_time_3)
# Subset graph series by sequence
series_sequence_subset <-
filter_graph_series(
graph_series = series_temporal,
by = "number",
values = 2)
# Get a count of graphs in
# the series
series_sequence_subset %>%
count_graphs_in_graph_series()
# Subset graph series by date-time
series_time_subset <-
filter_graph_series(
graph_series = series_temporal,
by = "time",
values = c("2015-03-25 12:00",
"2015-03-26 12:00"),
tz = "GMT")
# Get a count of graphs in
# the series
series_time_subset %>%
count_graphs_in_graph_series()
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