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Copy pathfeid_FILTER.sc
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186 lines (181 loc) · 4.9 KB
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// NONE --> FILTER_DROP_ROWS
FILTER_DROP_ROWS = LAMBDA(array, row_index,
LET(
row_index, TOCOL(row_index),
row_index_clean, FILTER(row_index, NOT(ISBLANK(row_index))),
nrows, ROWS(array),
row_sequence, SEQUENCE(nrows),
selected_row, BYROW(
row_sequence,
LAMBDA(each_row, OR(each_row = row_index_clean))
),
FILTER(array, NOT(selected_row))
)
);
// NONE --> FILTER_DROP_COLUMNS
FILTER_DROP_COLUMNS = LAMBDA(array, column_index,
LET(
column_index, TOROW(column_index),
column_index_clean, FILTER(
column_index,
NOT(ISBLANK(column_index))
),
ncols, COLUMNS(array),
col_sequence, SEQUENCE(1, ncols),
selected_col, BYCOL(
col_sequence,
LAMBDA(each_col, OR(each_col = column_index_clean))
),
FILTER(array, NOT(selected_col))
)
);
// NONE --> FILTER_FUNC_COLUMN
FILTER_FUNC_COLUMN = LAMBDA(
array,
[column_index],
[with_label],
[label_col],
[function],
[label_function],
[take_first_only],
LET(
take_first_only, IF(
ISOMITTED(take_first_only),
FALSE,
take_first_only
),
column_index, IF(ISOMITTED(column_index), 1, column_index),
label_col, IF(ISOMITTED(label_col), column_index, label_col),
with_label, IF(ISOMITTED(with_label), FALSE, with_label),
function, IF(ISOMITTED(function), LAMBDA(x, MAX(x)), function),
label_function, IF(
ISOMITTED(label_function),
"func",
label_function
),
selected_vector, CHOOSECOLS(array, column_index),
func_value, function(selected_vector),
selected_logical, selected_vector = func_value,
array_filter, FILTER(array, selected_logical),
array_func, IF(
take_first_only,
TAKE(array_filter, 1),
array_filter
),
label, MAKEARRAY(
ROWS(array_func),
1,
LAMBDA(x, y, CONCAT(label_col, "_", label_function))
),
IF(with_label, HSTACK(label, array_func), array_func)
)
);
// FILTER_FUNC_COLUMN --> FILTER_MINMAX_COLUMN
FILTER_MINMAX_COLUMN = LAMBDA(
array,
[column_index],
[with_label],
[label_col],
[take_first_only],
LET(
func_1, LAMBDA(x, MIN(x)),
label_func_1, "min",
func_2, LAMBDA(x, MAX(x)),
label_func_2, "max",
func1_result, FILTER_FUNC_COLUMN(
array,
column_index,
with_label,
label_col,
func_1,
label_func_1,
take_first_only
),
func2_result, FILTER_FUNC_COLUMN(
array,
column_index,
with_label,
label_col,
func_2,
label_func_2,
take_first_only
),
VSTACK(func1_result, func2_result)
)
);
// FILTER_MINMAX_COLUMN --> _RECURSIVE_FILTER_MINMAX
// _RECURSIVE_FILTER_MINMAX --> _RECURSIVE_FILTER_MINMAX
_RECURSIVE_FILTER_MINMAX = LAMBDA(
array,
ntry,
[ignore_first_column],
[with_label],
[label_vector],
[take_first_only],
LET(
ignore_first_column, IF(
ISOMITTED(ignore_first_column),
FALSE,
ignore_first_column
),
stop_col, IF(ignore_first_column, 2, 1),
label_vector, IF(
ISOMITTED(label_vector),
SEQUENCE(1, COLUMNS(array)),
label_vector
),
new_label, IF(
stop_col = 2,
HSTACK({" "}, label_vector),
label_vector
),
label_col, CHOOSECOLS(new_label, ntry),
IF(
ntry = stop_col,
FILTER_MINMAX_COLUMN(
array,
ntry,
with_label,
label_col,
take_first_only
),
LET(
results, FILTER_MINMAX_COLUMN(
array,
ntry,
with_label,
label_col,
take_first_only
),
next_try, ntry - 1,
VSTACK(
_RECURSIVE_FILTER_MINMAX(
array,
next_try,
ignore_first_column,
with_label,
label_vector,
take_first_only
),
results
)
)
)
)
);
// _RECURSIVE_FILTER_MINMAX --> FILTER_MINMAX_ARRAY
FILTER_MINMAX_ARRAY = LAMBDA(
array,
[ignore_first_column],
[with_label],
[label_vector],
[take_first_only],
_RECURSIVE_FILTER_MINMAX(
array,
COLUMNS(array),
ignore_first_column,
with_label,
label_vector,
take_first_only
)
);